(not set) attribution issue
A problem where sessions or events in GA4 reports show '(not set)' or 'Unassigned' source/medium because attribution data is missing. Duga traces one cause to events being split across different session IDs.
Relations
DEPENDS_ONSession ID
Evidence
“GS2.1.s1750086044$o1$g0$t1750086046$j60$l0$h1050744214 The top one is the server-side session. The bottom one is the client-side session. This means the page_view and user_engagement events have been assigned to different sessions. With fv and ss in the pageview session, the user_engagement event has no attribution data attached to it – this causes the dreaded (not set).”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
“Instead, we saw a whole bunch of ‘Unassigned’ alongside the Organic search sessions: The source/medium data was not what was expected: Landing pages didn’t help much – we were seeing broken sessions but how?”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
“The diagnosis methodology is a useful takeaway. Consider which events are associated with your (not set) rows, reproduce the journey, and carefully observe the hit payloads – especially session ID values.”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
A/B testing
Experimentation that depends on correctly tracked conversion KPIs, achievable statistical significance and trustworthy results. Duga says poor data infrastructure undermines it.
Relations
DEPENDS_ONData Trust
Evidence
“Or AB testing teams are trying to ensure their Conversion KPI’s are tracking correctly, statistical significance is possible or they can trust the results of the A/B test. Poor data infrastructure, disconnected platforms and poor reporting all lead to these challenges leaving marketers frustrating and unable to deliver against the conversion KPIs they are targeted against.”
Should marketers be analysts? - published by Duga Digital
Ad blockers
Browser tools that block tracking, contributing to signal loss alongside ITP and consent banners. They degrade the Meta and Google data reaching reporting and bidding, and in one case the brand lost more than half its conversion signal despite a Google-funded ad stack.
Relations
LEADS_TOSignal loss (inferred)RELATES_TOIntelligent Tracking PreventionDEGRADESGoogle Analytics 4 (inferred)
Evidence
“The challenge What wasn’t working A high-end fine jewellery brand was losing more than half of its conversion signal to ad blockers and ITP, despite running a Google-funded ad stack at scale. The paid team could see the spend going out and the customers walking in, but couldn’t connect the two.”
100%+ revenue data recovered - published by Duga Digital
“None of them are right. We rebuild the stack so your bidding, your reporting and your CFO are reading from the same source. The Shopify problem in one paragraph. Shopify’s native analytics is not a measurement product, it is a vanity dashboard. Ad blockers strip your Meta and Google signal.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“The revenue Google and Meta can’t see. Ad blockers, ITP and consent banners now hide a third or more of what your media is actually driving. When the platforms can’t see a sale, they can’t bid towards it. Enter four numbers for a directional read on what that is costing you.”
Signal loss calculator - published by Duga Digital
“03 Google Tag Gateway deployment Implemented GTG on the brand’s own domain. Ad-blocker losses removed from priority conversions. 04 Conversion modelling validation Compared restored conversion volumes against the pre-implementation baseline for 2 consecutive months.”
100%+ revenue data recovered - published by Duga Digital
“It assumes roughly 12% additional signal loss from browser restrictions and ad-blockers on top of your consent rate, and that server-side tracking plus a clean signal recovers around 55% of what is lost. Real figures depend on your stack, market and setup.”
Signal loss calculator - published by Duga Digital
ad_storage
A consent signal which, when incorrectly denied, wipes out paid signal without anyone noticing.
Relations
PART_OFConsent Mode
Evidence
“- ad_storage denied incorrectly, wiping paid signal without anyone noticing - Consent race conditions corrupting conversion events - Shopify legacy CMP to Didomi migrations executed with zero data loss”
Consent Management - published by Duga Digital
Addingwell
A server-side GTM hosting and alerting provider, and a technology partner of Duga Digital. Duga uses it as a key ingredient in its server-side data collection, including hosting server containers on a registered subdomain, and works with it to help clients trust data quality.
Relations
OFFERSServer-side taggingENABLESServer-side taggingRELATES_TOServer-side taggingDEPENDS_ONServer-side Google Tag Manager
Evidence
“Technology partnership: Addingwell We continue to work closely with Addingwell, a leading server-side tagging platform, as both a delivery and commercial partner. Our joint work on server-side Google Tag Manager implementations underpins much of our client delivery, and the Addingwell relationship is central to how we execute within the Google Data Strength Programme.”
Duga Digital – February 2026 - published by Duga Digital
“Duga Digital extends our warmest congratulations to Didomi and Addingwell on this landmark acquisition, a move that sets a new benchmark for privacy-preserving data solutions and strategic growth in the digital ecosystem. As a long-standing business partner of Addingwell, we are excited to witness—and be part of—the next chapter in this journey, as Addingwell joins forces with Didomi to drive innovation, compliance, and value for clients worldwide.”
Congratulations to Didomi and Addingwell: Ushering in a New Era of Data Privacy and Innovation - published by Duga Digital
“No, we partner with Addingwell (a leading server-side tagging provider) for clients who don’t want to run GCP (or are on Microsoft Azure or AWS as their cloud service provider). “Do we just run this once?””
Auto-sGTM explained - published by Duga Digital
“At DugaDigital, we’ve been leveraging Addingwell’s server-side GTM service with fantastic results, especially with tag health status monitoring. Here’s how it transformed our approach: The Challenge So, it starts when I received the tag health email from Addingwell Alerting.”
How Addingwell’s GTM Service Transformed DugaDigital’s Tag Health Reporting - published by Duga Digital
“We are the biggest UK partner of Addingwell – we have over 30 brands we work with together. We’ve delivered analytics rebuilds for companies where every missed event means lost revenue. We replaced the mess with strong setups, documented details, and ensured they are measurement ready. Bringing together data across different platforms for B2B publishers and events companies, merging database updates with form submission events. Stitching real world and data world views together.”
Duga Digital End of 2025 Update - published by Duga Digital
Advanced Consent Mode
A version of Google Consent Mode in which Google tags may fire before consent or after denial, setting no cookies and sending cookieless pings, then sending full measurement data once consent is granted. It can be identified by the gcd parameter, where p means denied by default with no update and r means denied by default and granted after update.
Relations
PART_OFConsent Mode
Evidence
“With a Google Advanced Consent Mode implementation, Google tags are now allowed to fire even before the user grants consent, and if they deny consent. Google tags will update their behaviour based on the consent settings, so if consent is denied, but a Google tag fires, a few things will happen:”
Consent Mode Overview - published by Duga Digital
“- gcs: G100 - gcd: 13p3p3p3p5 Basic Consent Mode : G100 means all cookies are denied. Advanced Consent Mode : p means denied by default (no update). On the site, accept all cookies.”
Testing Consent Mode SAFELY - published by Duga Digital
“- No cookies from these platforms will be set. - The tags will send cookieless pings to the platforms. - The tags will wait for an update on the consent settings and send the full measurement data if consent is granted.”
Consent Mode Overview - published by Duga Digital
“Examine the next events – they will be “Set”. Find the Set event where the GA4 Configuration tag (Google Tag) fires: The Consent state will be as follows: In the Network tab in Dev Tools, find the GA4 Config tag payload. The gcs (Basic Consent Mode) and GCD (Advanced Consent Mode) parameters will have these values:”
Testing Consent Mode SAFELY - published by Duga Digital
“- gcs: G111 - gcd: 13r3r3r3r5 Basic Consent Mode : G1 means all cookies are granted. Advanced Consent Mode : r means denied by default and granted after update Delete the CMP cookie.”
Testing Consent Mode SAFELY - published by Duga Digital
Advanced Tracking and Fingerprinting Protection
A Safari privacy feature introduced in Private Browsing mode in 2023 and reported to be enabled by default in all browsing modes. It stops known fingerprinting scripts from accessing device characteristics and from reading state such as query parameters and document.referrer.
Relations
PREVENTSDevice fingerprinting
Evidence
“Even today, opening up everyone’s favourite echo chamber/business ‘social’ media site, I saw a post that sounded like the final bell ringing for online marketing measurement: “Advanced Tracking and Fingerprinting Protection (ATFP), which was introduced to Safari Private Browsing mode in 2023, will be enabled by default in all browsing modes.””
When Safari breaks The Internet - published by Duga Digital
“So, known fingerprinting scripts aren’t allowed to access device characteristics such as screen dimensions, that can be used in shifty tracking schemes but there’s more”…. “And lastly, Safari prevents known fingerprinting scripts from reading state that could be used for navigational tracking, such as query parameters and document.referrer.””
When Safari breaks The Internet - published by Duga Digital
“Don’t panic, Safari isn’t torching the gclid or utm this time.”
When Safari breaks The Internet - published by Duga Digital
Agency partnership services
Duga Digital's offering for agencies, in which it acts as the data layer underneath an agency retainer and fixes measurement, attribution and tagging issues. It can be delivered per engagement, as a retainer or as white label, and Duga embeds its capability within the agency's commercial proposition under formal agreements covering minimum commitments, exclusivity and rolling notice periods.
Evidence
“For agencies You sell media. Your client’s data is a liability. We are the data layer underneath your retainer. We plug into your existing engagements and fix the measurement, attribution and tagging that’s quietly hurting your campaign performance.”
For agencies - published by Duga Digital
“What began as a 1.5-day investigation is now a conversation about rebuilding their measurement foundations. Agency partnerships: deepening the model We continued to develop our embedded analytics partnership model with several agencies. A key highlight was a new partnership with a specialist SEO agency focused on large Shopify stores. Their entire business model depends on proving organic revenue uplift to clients, but poor tracking infrastructure routinely understates organic contribution.”
Duga Digital – February 2026 - published by Duga Digital
“You keep the relationship, you keep the budget, you stop losing pitches on a data question you couldn’t answer. 3 ways we plug in 3 ways we plug in. Per-engagement One client, one scoped project, we go in, we go out.”
For agencies - published by Duga Digital
“No retainer. Retainer We hold standing capacity inside your team for a set number of days a month. You forward us the briefs. White label”
For agencies - published by Duga Digital
“Our measurement capability directly enables their commercial proposition, which is a fundamentally stronger partnership dynamic than simply offering analytics as an add-on service. We also progressed pilot discussions with an ecommerce-focused SEO agency exploring how structured measurement partnerships could become a standard part of their client onboarding. NDAs are signed and technical reviews are underway on initial client sites.”
Duga Digital – February 2026 - published by Duga Digital
Analytics calibration
A testing phase after tag unit testing, where a known input is matched to the desired output, such as an organic search visit followed by five page views appearing accurately in reports. Duga Digital automates it so it runs in minutes at almost no cost.
Evidence
“With unit testing tags out of the way, the testing enters a different phase – calibration. When we calibrate the analytics, we match the desired output to the known input. If a user enters the site from an organic search, and clicks through 5 pages, you’d expect to see this represented accurately in the reports.”
The Industry’s Uncomfortable Truth About Ads, and Analytics Testing - published by Duga Digital
“We’ve automated this process to test the report data at a reasonable scale without taking too long, or costing too much. It’s actually done in a few minutes and it’s pretty much free to execute. But there’s a problem with some tags. GA tags can be calibrated like this but Google Ads, Meta, TikTok, Pinterest, Snap, pretty much any paid advertising platform you care to mention doesn’t lend itself to calibration.”
The Industry’s Uncomfortable Truth About Ads, and Analytics Testing - published by Duga Digital
Analytics Clean
A tool in Duga's Solutions ecosystem, named alongside Auto-sGTM and Analytics Scan.
Relations
PART_OFDuga Digital Solutions
Evidence
“Tools like: - Auto-sGTM - Analytics Clean - Analytics Scan Our Services remain as the omnipresent consultancy that our clients seeking support require – we drive implementation projects, operate retained analytics and insights services, and build CRO programmes to drive bottom line growth.”
Duga Digital – The Future - published by Duga Digital
Analytics Scan
A tool in Duga's Solutions ecosystem, named alongside Auto-sGTM and Analytics Clean.
Relations
PART_OFDuga Digital Solutions
Evidence
“Tools like: - Auto-sGTM - Analytics Clean - Analytics Scan Our Services remain as the omnipresent consultancy that our clients seeking support require – we drive implementation projects, operate retained analytics and insights services, and build CRO programmes to drive bottom line growth.”
Duga Digital – The Future - published by Duga Digital
Annotations Automation
A tool that pulls from Git commits, Jira releases, release notes, marketing calendars and ad platform change logs to create GA4 annotations automatically, with context and owner. This lets anomalies be triaged in minutes.
Relations
PART_OFGA ToolsDEPENDS_ONGoogle Analytics 4
Evidence
“Analytics Lead, publisher How it’s used Pulls from Git commits, Jira releases, release notes, marketing calendars and ad platform change logs. Creates annotations in GA4 automatically, with context and owner.”
GA Tools - published by Duga Digital
“The impact Change log inside GA4 Anomaly triage in minutes No more detective work on dips GitHub · Maintained by Duga · Client access”
GA Tools - published by Duga Digital
Artificial intelligence
Presented as an amplifier rather than a shortcut: it does not replace analytics but exposes weak analytics and makes mistakes at scale, and its value depends on structure, data quality and human judgement. The publisher also notes it as the dominant summit topic, with strong interest but nascent understanding, and questions whether AI agents will reduce the need for human consultancy.
Relations
DEPENDS_ONData quality
Evidence
“AI Of course – AI was a big topic. I think there might have been a bingo moment (AI mentioned) in almost all of the talks I attended. Some things struck me though: - Not enough fear – everyone seemed very positive about the AI helping complete tasks rather than act as a threat to employment or role existence.”
Analytics Pioneers Summit – Munich – July 4th 2025 - published by Duga Digital
“AI Isn’t the Shortcut. It’s the Amplifier. By Day Four, something interesting happened. The tone shifted from “what is AI doing to us?” to“what are we actually doing with it?” The hype had cooled.”
Superweek 2026 – Day Four - published by Duga Digital
“The pattern had emerged. AI is not replacing analytics. It is exposing weak analytics. Day Four was about that exposure. Inconceivable Questions Aren’t the Problem”
Superweek 2026 – Day Four - published by Duga Digital
“AI amplifies whatever you give it. Garbage in, confident garbage out. Data quality maturity is now directly tied to AI value extraction. You cannot shortcut governance and expect intelligent output. Day Four, Distilled”
Superweek 2026 – Day Four - published by Duga Digital
“In the short-term, the AI agents may be able to speed up processes and automation. But in the long-term – does that not lead to a redundancy? A human input is a cost – an AI input is a 24 / 7 round the clock repeatable process that can be relied upon.”
Analytics Pioneers Summit – Munich – July 4th 2025 - published by Duga Digital
Attribution
The measurement of which marketing activity deserves credit for conversions and other outcomes, which Duga contrasts with last-click reporting. The publisher describes it as difficult because of spam, bots and AI agents, and argues that accurate, scaled 1-to-1 attribution is not possible in a privacy-first way.
Relations
TARGETSDirect traffic misattribution (inferred)PART_OFOngoing Measurement Partnership
Evidence
“It is still remarkable that attribution remains as difficult as it is. The problem is not getting simpler. More spam, more bots, and more bad actors are making it harder. The emergence of AI agents adds another layer of complexity too: not all automated traffic is unwanted, and understanding what agents are doing in your ecosystem is going to become increasingly important to measure and account for.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“In a case of this-is-not-really-news, attribution is hard. No, that’s not a shock, and nor is the reality that attribution is only going to get harder unless you change your game. Fundamentally, accurate and scaled 1-to-1 marketing and attribution is not possible in a privacy first manner. Regulation and technology are both growing challenges that prevent reliable id resolution for mass volume individualised marketing. Even with AI!”
When Safari breaks The Internet - published by Duga Digital
“Your GA4 is lying to you. You just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. We rebuild the measurement, find the lost signal, and prove the real incremental uplift with causal impact modelling. Not last-click.”
Attribution - published by Duga Digital
“We rebuild measurement so the long sales cycle and the high basket value are first-class citizens, not noise to be smoothed over. Where standard analytics breaks. The sample is too small for averages When a converter is worth GBP 50K and you have 40 a month, no off-the-shelf attribution model is going to give you the right answer.”
Specialist analytics for luxury and high-consideration retail - published by Duga Digital
“- Measurement struggles to keep up - Attribution remains linear while behaviour is not Funnels assume linear journeys. They never were. Juliana proposed aligning creative as a channel dimension; but cardinality quickly becomes a structural constraint.”
Superweek 2026 – Day Four - published by Duga Digital
Attribution gap
The structural disconnect between online ad data and offline revenue, where Google Ads sees a form fill but only the business knows whether a sale happened. It leads ad accounts to optimise towards the wrong signal.
Relations
LEADS_TOSmart Bidding (inferred)RELATES_TOOffline conversion tracking
Evidence
“The Attribution Gap What happens when your bookings are online but your revenue is not There is a particular kind of frustration that comes from running a business that is clearly growing, spending confidently on Google Ads, and still not being able to answer the question: is this working?”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“The result is a Google Ads account that is optimising towards the wrong signal. It is rewarding campaigns that generate enquiries, not campaigns that generate revenue. It is spending money in ways that feel justified but cannot be proven. And because the data gap is invisible, it is remarkably easy to live with for years.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“The business is flying blind. Not because no one cared about data. Often because they cared a great deal, built dashboards, ran reports, and measured everything they could reach. The gap was structural, not attitudinal.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
Auto-sGTM
Duga Digital's managed service for migrating client-side tracking to server-side GTM, delivered as an automated set of connected tasks run by a script and wrapped in methodology and change management. It is built for agency velocity and is used in client work such as the automotive marketplace example.
Relations
PRODUCED_BYDuga DigitalDEPENDS_ONGoogle Tag ManagerPART_OFDuga Digital SolutionsINSTANCE_OFServer-side taggingDEPENDS_ONAddingwellENABLESServer-side taggingRELATES_TOGoogle Tag ManagerDEPENDS_ONServer-side Google Tag ManagerENABLESServer-side migrationPART_OFServer-side tagging implementation
Evidence
“Auto-sGTM is an automated delivery of connected tasks. You can see an example of this running here: The automated script will output: - sGTM container built in Google Tag Manager. - Addingwell or Cloud Run provisioned to manage the server requests we are about to embark on.”
Auto-sGTM explained - published by Duga Digital
“Server-side in 10 minutes, not 10 weeks. Auto sGTM is our proprietary pipeline for automated server-side tag deployment. Audit, remediate, deploy. Calibrated against ground truth.”
Auto-sGTM - published by Duga Digital
“Deployed our Auto-sGTM container to a custom subdomain. Faster, cleaner, ad-blocker-resistant. 03 Cookie restore Persistent identity across ITP cycles, restoring 7-day consideration windows on iOS. 04 Clean GA4 specification”
From 3.6% to 30% revenue match - published by Duga Digital
“That’s a bigger win, a bigger return on investment than just automating tagging. AutosGTM isn’t the rockstar. It’s a grafter that enables you and your team to be the rockstar that you are.”
Duga does Server-Side Part 2 - published by Duga Digital
“Your brand on the front, our delivery underneath. We never go direct. What we plug into What we plug into. - Server-side GTM rebuilds (we have an Auto-sGTM product specifically for agency velocity).”
For agencies - published by Duga Digital
Automated server-side migration
Duga's scripted process for migrating a client-side Google Tag Manager container to a server-side setup. It cleans the container, creates the server-side property and container, migrates tags, triggers and variables, and logs each step, with manual or automatic deployment.
Relations
DEPENDS_ONGoogle Tag ManagerDEPENDS_ONGoogle Analytics 4INSTANCE_OFServer-side tagging
Evidence
“What does it do exactly? This is a more detailed description of what happens in an automated server-side migration. A typical migration will handle GA4 tags, Google Ads, Conversion Linker setup, best practice housekeeping, cleaning up a container, Facebook CAPI, LinkedIn, TikTok tags, triggers, variables, user defined, and enabling/disabling built in variables – it does the lot.”
Duga Does Server-Side Part 1 - published by Duga Digital
“With the client side container in good order, we can now copy the GA4 tags to be server-side versions. Here we’re not doing a parallel migration so the old client-side tags are deleted. Having done the GA4 tags, that’s the easy part. Now we’ll do the GMP tags and get on to the custom template tags.”
Duga Does Server-Side Part 1 - published by Duga Digital
“That’s all well and good, but what value has been delivered to the business here? We’ve made server-side migration quite boring – and that’s a good thing. That’s how it should be so we can get on with much more valuable and exciting activation projects that deliver value on the data rather than treating server-side as a badge of honour and data as a treasured ornament.”
Duga Does Server-Side Part 1 - published by Duga Digital
Basic Consent Mode
The simplest version of Google Consent Mode, in which no Google tags run if the user has not chosen or has denied consent, so tags must be fired after consent using an event following the consent update. It can be identified by the gcs parameter, where G100 means cookies denied and G111 means granted.
Relations
PART_OFConsent Mode
Evidence
“Basic Consent Mode This is the simplest version to grasp. If Basic Consent Mode is implemented, and the user has either not made a consent selection, or has denied all consent, no Google Tags will be run. It’s as simple as that. No consent, the tag doesn’t fire, Google doesn’t get any data.”
Consent Mode Overview - published by Duga Digital
“- gcs: G100 - gcd: 13p3p3p3p5 Basic Consent Mode : G100 means all cookies are denied. Advanced Consent Mode : p means denied by default (no update). On the site, accept all cookies.”
Testing Consent Mode SAFELY - published by Duga Digital
“Examine the next events – they will be “Set”. Find the Set event where the GA4 Configuration tag (Google Tag) fires: The Consent state will be as follows: In the Network tab in Dev Tools, find the GA4 Config tag payload. The gcs (Basic Consent Mode) and GCD (Advanced Consent Mode) parameters will have these values:”
Testing Consent Mode SAFELY - published by Duga Digital
“- gcs: G111 - gcd: 13r3r3r3r5 Basic Consent Mode : G1 means all cookies are granted. Advanced Consent Mode : r means denied by default and granted after update Delete the CMP cookie.”
Testing Consent Mode SAFELY - published by Duga Digital
“This is how most other non-Google platforms have to be configured as well. Weirdly enough, Basic Consent Mode is more laborious to implement than Advanced. This is because you have to ensure that the tags fire after consent has been provided (whereas in Advanced you don’t have to do that). Let me show you.”
Consent Mode Overview - published by Duga Digital
BigQuery
Google's data warehouse, where raw GA4 data lands and is analysed in SQL, including joins with other sources such as search keywords written by the Write to BigQuery tag template. Cookie-derived data arrives in the expected format there. One conference session described it as the real product of Google Analytics.
Relations
DEPENDS_ONGoogle Analytics 4DEPENDS_ONGA4 recommended ecommerce schema
Evidence
“04 BigQuery as source of truth Streamed deduplicated events into BigQuery, joined to CRM stages and revenue. Built audit dashboards for marketing and finance. 05 Platform reconciliation Wired the priority events into Google Ads and Meta using enhanced server-side feeds.”
+37% ad-platform signal recovered - published by Duga Digital
“Urchin 5 in 2003 cost $5,000/month. Google bought it in 2005. The evolution matters. GA is no longer the product. BigQuery is the product.”
Superweek 2026 – Day Four - published by Duga Digital
“If a client’s compliance posture calls for Addingwell’s approach instead, that is a configuration decision worth making explicitly, not an oversight. Per-event and per-tag monitoring The core of the logger is simple: every event gets one flat row in a date-partitioned BigQuery table, and every named tag gets its own execution result recorded inside that row.”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
“In my last post, I shared some observations about the latency of our raw GA4 data landing in BigQuery. That sparked a wave of thoughtful follow-up questions. Thanks to everyone who reached out with insights and curiosities.”
When the drop hits -Act #2 - published by Duga Digital
“The format has changed, the data remains largely consistent. IF you’re using the old format in any way, check to see if the new cookie format breaks any tracking. If you’re using the data from the cookies in BigQuery data, you probably won’t be affected. The data still ends up in BQ in the expected format – no further downstream issues expected.”
New GA Cookie format - published by Duga Digital
Calibrator
A tool that runs scheduled reconciliation between GA4 and source-of-truth systems such as Shopify, Stripe or an ERP. It flags differences above a configurable threshold and explains where the gap comes from.
Relations
PART_OFGA ToolsDEPENDS_ONGoogle Analytics 4
Evidence
““Every Monday meeting opens with ‘why don’t the numbers match?’” Client Partner, retail agency How it’s used Scheduled reconciliation between GA4 and your source-of-truth systems. Flags deltas above a configurable threshold, explains where the gap comes from.”
GA Tools - published by Duga Digital
“GA tooling Calibrator The problem GA4 numbers don’t match Shopify, Stripe or your ERP. Clients stop trusting the dashboard.”
GA Tools - published by Duga Digital
Causal impact modelling
A statistical approach to proving real incremental uplift from marketing activity and fixed tracking, as an alternative to last-click and data-driven attribution. Duga offers it as causal lift testing for channels and creative, including for luxury retail where low conversion volumes make standard attribution unreliable. It underpins the causal impact study delivered at the end of phase 3.
Relations
PART_OFAttributionCONFLICTS_WITHAttributionACHIEVESIncrementality (inferred)CONFLICTS_WITHLast-click attributionPART_OFGA4 audits and attribution rebuilds
Evidence
“What we build for luxury retail. Causal impact modelling Not last-click. Not data-driven attribution. Proper causal lift testing for channels and creative.”
Specialist analytics for luxury and high-consideration retail - published by Duga Digital
“Your GA4 is lying to you. You just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. We rebuild the measurement, find the lost signal, and prove the real incremental uplift with causal impact modelling. Not last-click.”
Attribution - published by Duga Digital
“+214% Your GA4 is lying to you, you just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. A structured diagnostic finds the breaks, we fix the tracking, and we prove the real incremental uplift with causal impact modelling.”
Specialist digital analytics, built for marketers - published by Duga Digital
“sessions, automotive (405-day causal study) 30% revenue match (up from 3.6%), Shopify Plus How we fix attribution 4 phases.”
Attribution - published by Duga Digital
“We rebuild measurement so the long sales cycle and the high basket value are first-class citizens, not noise to be smoothed over. Where standard analytics breaks. The sample is too small for averages When a converter is worth GBP 50K and you have 40 a month, no off-the-shelf attribution model is going to give you the right answer.”
Specialist analytics for luxury and high-consideration retail - published by Duga Digital
Click to forecourt match
An automotive measurement build that ties online behaviour to dealership visits and sales. Appointment booking signals are fed back to Google and Meta so media can optimise on real outcomes.
Relations
RELATES_TOOffline conversion tracking
Evidence
“between first click and forecourt visit Zero automotive brands we have ever audited had a fully working online-to-offline match What we build for automotive. Click to forecourt match”
Specialist analytics for automotive marketing - published by Duga Digital
“Online behaviour tied to dealership visits and sales, with appointment booking signals fed back to Google and Meta. Inventory-aware bidding Recommend cars based on what is actually available at the dealership closest to the user. Bid harder when stock is on the lot.”
Specialist analytics for automotive marketing - published by Duga Digital
“Heard from a head of digital at a GBP 1bn+ automotive business New CRM-to-media for automotive, productised. We are turning the automotive measurement stack into a productised offering: click-to-forecourt match, inventory-aware feeds, premium prospect flagging, dealership scorecards. Plug-in components rather than bespoke from scratch.”
Specialist analytics for automotive marketing - published by Duga Digital
Cloud Run
The Google Cloud container environment in which server-side GTM tags run. Instances recycle and autoscale, so alert state is kept outside runtime storage.
Evidence
“Server-side Google Tag Manager (sGTM) solves a lot of data collection challenges, but it also creates a new blind spot: once a tag runs inside a Cloud Run container instead of a browser, you lose the easy visibility a browser console and the network tab used to give you. Tags fail quietly. Volumes drift without anyone noticing. A container that looked healthy yesterday can be silently broken today, and the first sign is often a client asking why last week’s numbers look wrong – more on this scenario anon from real world experiences…”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
“State for all of this lives in Firestore rather than in the tag’s own runtime storage, because that storage is scoped to a single server process instance and gets wiped whenever Cloud Run recycles or autoscales, which happens more often than you would expect under real traffic. Firestore transactions give an atomic, cross-instance counter instead. Alerting can also never break event logging: the BigQuery insert always runs first and unconditionally, before the alerting function is even called, so a Slack or Firestore problem never costs you the underlying data.”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
Cloud Run functions
Google Cloud serverless functions used by the publisher for BigQuery workloads, Slack webhook messages and logging delivery times. They are triggered by Pub/Sub events, and the publisher gives a Python handler that claims a run before non-idempotent work, then acks or nacks according to the result.
Relations
DEPENDS_ONPub/Sub
Evidence
“In a Cloud Run Function: As the request is handled, attempt to claim it: def function_entry_point(request): # ... validate the Pub/Sub push envelope, extract message_id ... claim_status, existing = _claim_run(message_id)”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“I’d much rather analyze this in BigQuery itself. This “itch” was the perfect excuse to build a proper tracking system. From Slack Noise to BQ Gold We already had the foundation in place. Our system uses Event Arc triggers to push messages to Pub/Sub, which in turn trigger Cloud Run Functions to handle our BQ workloads and send those handy webhook messages to Slack.”
When the drop hits - published by Duga Digital
“While they did the heavy lifting, I modified our existing Cloud Run Function. Now, when the function confirms the data set is available, it does two things: - Sends the usual Slack message. - Inserts a new row into our bq_delivery_logs table.”
When the drop hits - published by Duga Digital
“In simple terms, doing something once, and only once, reliably, requires a little effort. Thinking about Cloud Run Functions initially, we use these a lot. We trigger them using Pub/Sub events. Pub/Sub, like most durable messaging systems, guarantees at-least-once delivery, not exactly-once. A single published message can be delivered to its subscriber more than once because of:”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“results = do_the_work(...) # the non-idempotent side effects except Exception as exc: _mark_failed(message_id, f"{type(exc).__name__}: {exc}") raise # NACK: let Pub/Sub redeliver same messageId _mark_completed(message_id, results, len(new_value))”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
Cloudflare
A CDN and edge platform that Duga Digital uses to serve Google scripts first party. It also runs a Worker that proxies requests to the server container.
Relations
ENABLESGoogle Tag Gateway
Evidence
“We found the Google Tag Gateway setup using Cloudflare to be a straightforward process. /scripts Cool. So, now we serve Google scripts from first party, same origin, same site, etc etc. /dugadataftwbbq is our “/scripts” path.”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
“But that’s not same site, same origin so what gives? We configure a worker in Cloudflare to handle requests where the path starts with /dugaddingwell See what I did there? I should work in marketing – Duga + Addingwell = DugAddingwell neat, huh?”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
Cloudflare Worker
A serverless script on Cloudflare that intercepts requests on a first-party path, strips the path prefix, sets the Host header and forwards them to the sGTM host for Tag Gateway. It also manages headers and cookies and can inject the preview header.
Relations
ENABLESGoogle Tag GatewayDEPENDS_ONCloudflareENABLESFirst-party data
Evidence
“Back to the functionality of the Cloudflare route. When requests for /dugaddingwell are received, we will re-route the request to the subdomain. The devil is in the detail though. The test site is on gtg test domain so we need to carefully manage headers and cookies. The worker has to:”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
“Miss both, and you get silence. Enter Google Tag Gateway on Cloudflare In a Tag Gateway setup, the client does not talk to your sGTM subdomain directly. It talks to a path on your own domain (for example https://dugadigital.com/duganalytics/g/collect), and a Cloudflare Worker re-writes that request to your sGTM host (for example https://sgtm.dugadigital.com/g/collect).”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“- Strip the /dugaddingwell path and leave everything else - /g/collect etc etc - Set the Host as the sgtm.gtg test domain - Send the request to sgtm.gtg test domain We have to make a config change to the server container too so that it knows what URLs it will serve:”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
“Under the bonnet/hood the Worker has to do three things for each request: - Strip the /dugaddingwell path prefix and keep everything after it, such as /g/collect or /gtm.js. - Set the Host header to sgtm.example.com so the server container recognises the hostname.”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“Here is the core of the Worker logic: if (!previewId) { const referer = request.headers.get(‘Referer’); if (referer) { try {”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
Configuration drift
The gradual, untracked change of a GA property's configuration as events are added and dimensions deleted, until no one can tell what has changed against the agreed spec.
Evidence
“GA tooling GACI (GA Config Inspector) The problem GA property configs drift. Somebody adds an event, someone else deletes a dimension, and by month six no one can tell what’s changed.”
GA Tools - published by Duga Digital
“The impact Config drift caught same day Defensible audit trail Reports trustworthy again GitHub · Maintained by Duga · Client access”
GA Tools - published by Duga Digital
Consent layer rebuild
Replacement of an off-the-shelf consent setup with a Didomi-grade implementation that respects user choice and preserves the consented audience. It includes reviewing a brand's CMP rollout to fix misfires and restore consented-audience tracking.
Relations
PRECEDESAuto-sGTMRELATES_TOConsent management
Evidence
“What we did How we delivered it 01 Consent layer rebuild Replaced the off-the-shelf consent setup with a Didomi-grade implementation that respects user choice and preserves the consented audience. 02 Server-side GTM (Auto-sGTM)”
From 3.6% to 30% revenue match - published by Duga Digital
“How we delivered it 01 Eligibility check and submission Confirmed eligibility for Google Tag Gateway funding and submitted on the brand’s behalf in the same week. 02 Consent layer audit Reviewed the CMP rollout, fixed misfires, restored consented-audience tracking properly.”
100%+ revenue data recovered - published by Duga Digital
Consent management
The practice of managing user consent for data collection, so that tracking data sent to ad platforms is compliant. Duga Digital offers it as technical advice, not legal advice, including fixing broken consent setups, documented SOPs, and Shopify CMP migrations such as Pandectes to Didomi without downtime.
Relations
COVERSConsent ModeRELATES_TOConsent ModePART_OFShopify measurement stack deploymentPART_OFServer-side tagging implementationPART_OFMeasurement Recovery Implementation
Evidence
“Your consent setup is silently killing your data. Consent Mode v2 Advanced. Shopify Checkout friendly. Documented SOPs.”
Consent Management - published by Duga Digital
“Enterprise: scientific standards organisation A new client engagement in February demonstrated one of our core capabilities: the ability to turn a small diagnostic project into a strategic conversation. Brought in through a partner agency on a limited scope to investigate purchase attribution issues, our technical team identified fundamental problems with the client’s measurement infrastructure, including consent management failures that were inflating session counts and corrupting analytics data across their entire ecommerce platform.”
Duga Digital – February 2026 - published by Duga Digital
“The full Shopify stack, deployed together. Consent management Didomi-grade consent that doesn’t kill your data the moment it loads. Server-side GTM (Auto-sGTM) Faster, cleaner, ad-blocker-resistant.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“A Strategic Milestone for the Industry Didomi’s acquisition of Addingwell, backed by a €72 million investment from Marlin Equity Partners, is more than just a business transaction—it’s a bold statement about the future of data privacy and consent management. This partnership brings together two visionary teams, both recognised for their commitment to customer success and their leadership in privacy-first technologies.”
Congratulations to Didomi and Addingwell: Ushering in a New Era of Data Privacy and Innovation - published by Duga Digital
“The GA session id is maintained through the checkout and your data quality is preserved. In closing The “Shopify Sandbox” has long been the graveyard of accurate attribution, but this implementation proves that you don’t have to choose between legal compliance and data integrity. By moving away from a “bolt-on” banner approach and treating consent as a core architectural requirement, we’ve managed to preserve the user journey from the first landing page right through to the final “Thank You” screen.”
Decoupling Data & Consent: Why This CMP is a Masterclass - published by Duga Digital
Consent management implementation
Project work implementing consent management for clients, delivered by Duga Digital as a Didomi partner. It is listed among Duga's typical projects.
Relations
DEPENDS_ONDidomiPART_OFAgency partnership services
Evidence
“- Consent management implementations (Didomi partner). - BigQuery, Dataform and reporting layers. The honest pitch 3 reasons agencies need us. 01 You can’t answer the question”
For agencies - published by Duga Digital
“I spoke with a few people when I started Duga and they said Enjoy the ride, you don’t know how long it will last or what you’ll do And they were right. Working on projects like GA4 migrations, GTM upgrades, consent management setups, server-side mirrors and setups, Data Manager API automations, we serve a lot of different customers and stakeholders but it’s a superb ride.”
Duga Digital is 5! - published by Duga Digital
“You’re being asked questions you can’t answer. “Why has GA4 dropped 20%?”, “Can you prove the Meta uplift?”, “What happens after the consent banner?” We answer those in writing. 02 You don’t want to hire data full-time”
For agencies - published by Duga Digital
Consent matrix
A baseline matrix showing which tasks are performed for each consent outcome. The tasks are Firestore storage, UPD collection, and sending data to analytics and marketing platforms. It is a starting point for client legal sign-off and is not legal advice.
Relations
RELATES_TOOffline purchase attribution architecture
Evidence
“Consent When can we do all of this? The only answer is: When the user consents. Since there are a lot of moving parts involved (Firestore storage, UPD collection, sending of data to Analytics and Marketing platforms), we need to know when it’s ok to do some of these things, but not the other. For this, I created a matrix that shows when we’ll perform any of these tasks based on the consent given.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“This is not for anyone to copy and this is not our legal recommendation as well. This is the baseline I created to talk to, and get legal sign of, from any client we’re working with. Ultimately, this is their decision and responsibility, but I’ve seen this falling in the hands of analysts way too many times for not to be proactively thinking about and creating in-built solutions for it nowadays.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
Consent Mode
Google's mechanism for passing user consent signals to tags, sometimes abbreviated CoMo. Duga Digital treats it as a framework and modelling input rather than just a tag, stresses it must be region aware if the CMP banner is, and tests and quantifies its effect on data as a technical matter, not legal advice.
Relations
RELATES_TODidomiDEPENDS_ONGoogle Tag ManagerREGULATED_BYUK GDPRRELATES_TOGoogle Tag ManagerRELATES_TOad_storageREGULATED_BYGDPRPART_OFTracking health check
Evidence
“Google Consent Mode Google Consent Mode is a technology that updates the behaviour of your Google Tags according to the user consent preferences. There are two versions available right now: Basic and Advanced. For all intents and purposes I’m using a full GTM solution.”
Consent Mode Overview - published by Duga Digital
“Super straightforward to use. Nice touch, acknowledging the EU regulation with a simple checkbox. That is SO easy to miss as can totally hose your data. A CMP banner that’s region aware but a CoMo solution that isn’t is a great way to drop off a cliff. If your CMP banner is region aware, make sure the consent signals in the data are too.”
Decoupling Data & Consent: Why This CMP is a Masterclass - published by Duga Digital
“Consent Mode can seriously affect your data collection. You don’t want to go into this uninformed and unprepared. Let’s start with testing and deployment basics which will include but are not limited to:”
Testing Consent Mode SAFELY - published by Duga Digital
“In the UK, which follows the UK GDPR, even hashed PII is considered personal data, which means that you need to ask for consent to collect it. Google Consent Mode (GMC), will dictate how, and if, UPD is used. In a more technical term, the ad_user_data signal is the signal in charge of allowing Google platform to receive and use UPD. This means that no consent means no Enhanced Conversions. It’s as simple as that.”
User Provided Data for Google Platforms - published by Duga Digital
“Your consent setup is silently killing your data. Consent Mode v2 Advanced. Shopify Checkout friendly. Documented SOPs.”
Consent Management - published by Duga Digital
Consent Mode testing framework
A step-by-step framework developed by Duga Digital for testing Consent Mode without affecting production data. It combines Chrome local overrides, GTM Preview Mode, Tag Assistant and Network tab inspection of consent parameters. It checks the default, accept and reject states for each consent type, so teams can quantify the impact on their data methodically.
Relations
DEPENDS_ONConsent ModeDEPENDS_ONGTM Preview ModeREQUIRESTag Assistant
Evidence
“And yes, because a message is pushed onto a pubsub topic, many other integrations are possible to power post GTM publish workloads. Consent Mode without the tears Heralding the beginning of the end, Doug opened Friday, with our story about how we developed a framework for testing Consent Mode without impacting production data.”
Duga Digital at SuperWeek 2025 - published by Duga Digital
“Now you can implement the script changes, and activate Preview Mode in GTM to safely test the GTM changes. Load the homepage of the site. Do not click on the consent banner. In the tag assistant page, event 1 will be Consent Default. The Consent status will be reported as:”
Testing Consent Mode SAFELY - published by Duga Digital
“Yes, it’s possible. Yes, you can quantify the impact on your data – everyone will experience different impacts and all your users are different. The point is to be intentional, methodical and use empirical data to inform your decision making. This isn’t legal advice, it’s technical advice to help you explain the details to your stakeholders – legal being one of them.”
Duga Digital at SuperWeek 2025 - published by Duga Digital
“Check the Consent Update event in tag assistant and observe consent states have changed: In the Network tab in Dev Tools, find the GA4 Config tag payload. The gcs (Basic Consent Mode) and GCD (Advanced Consent Mode) parameters will have these values:”
Testing Consent Mode SAFELY - published by Duga Digital
“Repeat the test and confirm the On-page Update values remain Denied when cookies are rejected. Repeat the test for each consent type. Confirm the consent values in tag assistant, and in the tag payload in the Network tab.”
Testing Consent Mode SAFELY - published by Duga Digital
Consent race conditions
A failure mode in which the timing of consent state relative to tag firing corrupts conversion events.
Evidence
“- ad_storage denied incorrectly, wiping paid signal without anyone noticing - Consent race conditions corrupting conversion events - Shopify legacy CMP to Didomi migrations executed with zero data loss”
Consent Management - published by Duga Digital
Container cleaning
A pre-migration step in which a GTM container is tidied before moving server-side. The aim is a solid naming convention, no unused assets and tidy folders, which makes migration more efficient and less error-prone. It is described as an automated, half-day operation that can be repeated quarterly.
Relations
PRECEDESServer-side migrationPRECEDESAutomated server-side migrationPART_OFServer-side migrationPART_OFAutomated server-side migration
Evidence
“Remember the process: before we migrate, we clean the container as described in part 1. That’s a half day operation done. And we do that quarterly, which equates to days of time saved. The easiest tag to migrate to server-side is a GA4 tag. Think how long your current agency has taken.”
Duga does Server-Side Part 2 - published by Duga Digital
“First, we clean up Before we migrate a container, we clean it. A clean, lean container is more efficient to migrate, and less prone to error. So we automate the cleaning too! Here’s an example output:”
Duga Does Server-Side Part 1 - published by Duga Digital
“- Quality assurance - Similar to the previous point but running the automation regularly cleans up mess that will become legacy cruft in time. That sloppy freelancer you let go? Don’t worry about the rubbish they left in your GTM, we’ll clean it up and make sure it’s server-side ready in the best way possible”
Duga does Server-Side Part 2 - published by Duga Digital
“The goal is to end with a solid naming convention, no unused assets, everything nicely foldered, no legacy cruft to slow us down. Before we migrate As you noticed above, the automation is fed by a config json file. We don’t ask clients to write json files. We ask for the relevant information to be entered via a Google form.”
Duga Does Server-Side Part 1 - published by Duga Digital
“We can take the answer filled spreadsheet to generate the json file to feed to the automation. We can fire an individual automation, or, as we often do with the clean up script, use a shell script to run through a batch of config files in a folder.”
Duga Does Server-Side Part 1 - published by Duga Digital
Cookie restore
A technique that gives persistent identity across ITP cycles by restoring first-party cookies. It counters cookie storage being wiped 24 hours into a 7-day consideration window, restoring those windows on iOS, and is included in the deliverable to support first-party session persistence.
Relations
PART_OFAuto-sGTMDEPENDS_ONServer-side Google Tag ManagerPART_OFShopify measurement stack deployment
Evidence
“Deployed our Auto-sGTM container to a custom subdomain. Faster, cleaner, ad-blocker-resistant. 03 Cookie restore Persistent identity across ITP cycles, restoring 7-day consideration windows on iOS. 04 Clean GA4 specification”
From 3.6% to 30% revenue match - published by Duga Digital
“Cookie restore Persistent identity across ITP cycles. Google Tag Gateway Often under Google funding for eligible spenders. Worked example”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“What you get - server-side infrastructure with transparent pricing - Cookie restore for first-party session persistence - Parallel testing dashboard so you see uplift before cut-over - Calibration against your ground truth data (CRM, ERP, order DB)”
Auto-sGTM - published by Duga Digital
“Consent banners stop tags firing before the page loads. Cookie storage gets wiped 24 hours into a 7-day consideration. By the time the data lands in your reporting, half of it is gone and the other half is wrong.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
CRO programmes
Conversion rate optimisation programmes that Duga builds and offers to clients to drive bottom line growth and the best possible outcomes. It is one of the areas highlighted in Duga's Google partnership.
Evidence
“Services including: - Web and app analytics implementation - CRO programmes - Data infrastructure and strategy But with the growth of cloud-based services, and the evolution of digital marketing stacks that we are well versed in, we want to provide confidence and direction for our customers, our partners and our suppliers to plug-in and run with.”
Duga Digital – The Future - published by Duga Digital
“- CRO and A/B testing to optimise the best possible outcomes for our clients These are some of the areas we highlighted to partner with Google. This partnership is a great validation and recognition from Google of the work we’ve been doing in delivering”
Duga are Google Marketing Platform Partners! - published by Duga Digital
“Tools like: - Auto-sGTM - Analytics Clean - Analytics Scan Our Services remain as the omnipresent consultancy that our clients seeking support require – we drive implementation projects, operate retained analytics and insights services, and build CRO programmes to drive bottom line growth.”
Duga Digital – The Future - published by Duga Digital
Cross-device journeys
User journeys that span several devices, which the page says collapse into multiple half-attributed paths.
Evidence
“- Cross-device journeys collapse into multiple half-attributed paths What you actually get Written diagnostic report, prioritised by commercial impact Rebuilt”
Attribution - published by Duga Digital
Custom Dimensions Manager
A tool that audits dimension usage over a rolling window, deduplicates overlapping definitions and retires unused ones under a versioned spec. It addresses GA4's custom dimension limit by routing change requests through a single source of truth.
Relations
PART_OFGA ToolsDEPENDS_ONGoogle Analytics 4
Evidence
““We’re maxed out and can’t add the one dimension we actually need.” Head of Measurement, fintech How it’s used Audits dimension usage over a rolling window, deduplicates overlapping definitions, and retires dead ones under a versioned spec. Change requests routed through a single source of truth.”
GA Tools - published by Duga Digital
“GA tooling Custom Dimensions Manager The problem You’ve hit GA4’s custom dimension limit. No one knows which dimensions are still in use, so nothing can be retired safely.”
GA Tools - published by Duga Digital
Customer Match
A Google Ads feature that matches hashed first-party customer data with signed-in Google users. It lets advertisers re-engage customers, reach soft-conversion prospects or find similar audiences across Search, YouTube, Gmail and Display without third-party cookies.
Relations
DEPENDS_ONUser Provided Data
Evidence
“This is known as Customer Match, and it allows advertisers to re-engage existing customers, prospect customers that triggered a soft conversion, or find similar audiences across Google’s ecosystem, which includes Search, YouTube, Gmail, and Display, all without relying on third-party cookies. This is of vital importance in our time, when browsers, ad blockers, and regulations are restricting the usefulness of third-party cookies more and more.”
User Provided Data for Google Platforms - published by Duga Digital
Dan Truman
Founder of Duga Digital and its Analytics Director, who went full time on the business in April 2022 and established the consultancy in 2023. He has a background in analytics and data, including a travel business role, and speaks at events such as Superweek and the DLC Summit, with seven confirmed for 2026.
Relations
AFFILIATED_WITHDuga Digital
Evidence
“Whilst Duga Digital has been around for a couple of years, it was only a year ago when Dan, our founder, took the leap and went full time on the business. So to celebrate, one of the Duga team sat down with Dan, the founder of Duga Digital to find out what he has learnt, enjoyed and been surprised at in the past year of running his own business full time.”
An interview with our founder - published by Duga Digital
“About Duga The data team your CMO doesn’t have, and your agency doesn’t want you to. Duga is a specialist digital analytics consultancy. Founded by Dan Truman in 2023, we work with marketing teams that spend real money on Google and Meta, and want their measurement to stand up to a CFO’s questions.”
About Duga - published by Duga Digital
“2026 speaking calendar Dan is confirmed to speak at 7 events in 2026: - Superweek (SPWK), Budapest – February (completed) - Digital Leaders Club Summit – February (completed) - Addingwell Breakfast Event – March”
Duga Digital – February 2026 - published by Duga Digital
“In 2019 and into the Covid pandemic, I was working in a well-known travel business. With that role I was travelling across Europe weekly, spending a lot of time in airports to be honest. So when the lockdowns came in I had a huge amount of new found time on my hands. Which I decided to put to good use.”
An interview with our founder - published by Duga Digital
“So Duga Digital was born. I decided to take my side hustle and give it my full attention in April 2022 and I haven’t looked back since. What have you enjoyed most about setting up with your agency? I’m not going to lie, it hasn’t been all sunshine and roses but there are certainly things I have loved running my own agency.”
An interview with our founder - published by Duga Digital
Data activation
Using data to change spend, creative, pricing or audience allocation rather than only to report. It requires systems integration, trigger logic, ownership and feedback loops, and can be direct (systems) or indirect (people). Duga also offers it as a service to build a data ecosystem that centralises, connects and deploys data for marketing activation and performance reporting.
Evidence
“Balázs cut through dashboard culture. Most organisations use data to report. Very few use it to activate. Activation requires: - Systems integration”
Superweek 2026 – Day Four - published by Duga Digital
“- DATA ENABLEMENT Build & maintain accurate digital data that is accessible & available for your teams to gain insights and take action from. - DATA ACTIVATION Create a data ecosystem that centralises, connects and deploys data that is ready for marketing activation & performance reporting.”
Introducing Duga Digital - published by Duga Digital
“- Trigger logic - Ownership - Feedback loops Data that sits in slides is theatre. Data that changes spend, creative, pricing or audience allocation earns its keep.”
Superweek 2026 – Day Four - published by Duga Digital
“This connected directly to Nicolas’ Day Three framework: direct activation (systems) and indirect activation (people). Reporting is not value.Change is value. Who Are You Really Working For? Dan Truman – The Quiet Part Out Loud”
Superweek 2026 – Day Four - published by Duga Digital
Data Enablement
Duga's service and pillar for building and maintaining accurate digital data and making it available to teams. It ensures data feeds reach the correct platforms across the marketing ecosystem, so marketers can gain insights and act on them.
Relations
PRECEDESData activationRELATES_TOData Trust
Evidence
“- DATA ENABLEMENT Build & maintain accurate digital data that is accessible & available for your teams to gain insights and take action from. - DATA ACTIVATION Create a data ecosystem that centralises, connects and deploys data that is ready for marketing activation & performance reporting.”
Introducing Duga Digital - published by Duga Digital
“- Data Enablement – ensure all the data feeds are in the correct platforms across your marketing ecosystem. Do the right platforms automatically feed the correct data into the marketers interfaces. - Data democratization – ensure data is in the right place and people are educated and enabled to understand and interpret the data for themselves. Are automated dashboards and reporting set up so people can easily use and be familiar with the data set, driving self service in insights and analysis.”
Should marketers be analysts? - published by Duga Digital
Data enrichment
Adding private or sensitive data on the server, such as profit margin, propensity scores or zero party data from a CDP, to first party analytics data. The page presents it as the way server-side collection helps make more money.
Relations
DEPENDS_ONServer-side tagging
Evidence
“I’ve recorded a couple of quick demos to show some simple scenarios around data enrichment – see how easy it is! Enriching your data on the server means you can use private or sensitive data such as profit margin, propensity scores, or even zero party data from your CDP to combine with your first party analytics data.”
Data Enrichment using sGTM - published by Duga Digital
“But what’s it for? Server side data collection has well known advantages in terms of privacy benefits for users, data quality, and durability, but that’s not going to give you the return on your investment in the technology. How exactly is it useful to make more money?”
Data Enrichment using sGTM - published by Duga Digital
Data governance
The control and accountability over data collection settings and how collected data is used, including maintaining data so that changes such as platform releases do not break behavioural analytics. It keeps data trustworthy over time to support scale and efficiency.
Relations
ENABLESData Trust
Evidence
“- Data Governance – to maintain the data so when platform releases go out the behavioural analytics doesn’t break for example. To ensure the data can be trusted in months to come for ongoing scale and efficiency.”
Should marketers be analysts? - published by Duga Digital
“Why? Simply, it’s about having control over data collection settings. The fact Google prompted so many people to address this is positive for data governance – bravo. Some points to consider though: Be aware of 1PD – don’t let the default setting for user data collection happen unless you’re intentionally choosing that option and are aware of what it means.”
Automatic gtag – what does it mean for you? - published by Duga Digital
“Be very deliberate about the data that is collected and how it is used. The general consensus being shared is to avoid doing nothing. Automatic Google updates are best closely supervised. Lessons were learnt from not closely scrutinising the automatic GA4 migration. Far better to own and control the data collection options than to abdicate accountability.”
Automatic gtag – what does it mean for you? - published by Duga Digital
Data Insights
A Duga service that gives clients access to their data in a digestible format from which actionable insights can be drawn.
Evidence
“- DATA INSIGHTS Gain access to your data in a digestible format that actionable insights can be gleaned form. With over 10 years experience in all types of data (across SMBs to global enterprises), Duga has the ability to understand the dynamics of all clients. We’re hear to help you and keen to hear about your challenges.”
Introducing Duga Digital - published by Duga Digital
Data Manager API
A Google API that acts as a single ingestion point for Google Ads conversions, store sales, GA4 events and audience inputs, with one schema and one set of credentials. Duga uses it to send offline conversion data matched to ad clicks as a Smart Bidding training signal, and as an alternative to Measurement Protocol. It works only when the underlying data model and CRM joins are sound.
Relations
ENABLESOffline conversion trackingPART_OFGoogle AdsIMPROVESSmart Bidding (inferred)PRODUCED_BYGoogleENABLESData StrengthRELATES_TOMeasurement Protocol
Evidence
“What an interesting time to be doing this Here is the thing: The tools to fix this problem now exist. Properly. In a way they genuinely did not five years ago. Google’s Data Manager API, and the broader enhanced conversions framework that sits around it, allows businesses to take offline conversion data, match it back to the original ad click, and feed it into Google Ads in a way that the Smart Bidding algorithms can actually use.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“Below I’ll talk a bit about DM API, share what I’ve gone through in the presentation, and something new about it that I learned because of someone’s question. Data Manager API The Data Manager API is a single API for sending audience and conversion data to Google platforms: Google Ads, Google Analytics, DV 360, CM360, Search Ads 360, and Google Ad Manager (literally found out last week).”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“Then on 7 May 2026, Google announced significant enhancements to the Data Manager API itself. Lindsey Volta’s post for the Data Manager API team covers two parallel expansions: - Google Ads store sales are now uploadable through Data Manager. In Google’s words, the new workflow “eliminates the need to create and monitor multiple offline jobs and replaces those jobs with a single API request.” Confidential matching, encryption for user identifiers and multiple items per event in CartData are now first-class features, subject to Google Ads account eligibility.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“- Agency partnership pipeline: Formalising agreements, progressing pilot projects, and converting warm conversations to committed relationships. - Case study development: Working with a partner agency and one of their premium brand clients to build a joint case study demonstrating measurable campaign performance improvement from our server-side tagging and Data Manager API implementation.”
Duga Digital – February 2026 - published by Duga Digital
“I spoke with a few people when I started Duga and they said Enjoy the ride, you don’t know how long it will last or what you’ll do And they were right. Working on projects like GA4 migrations, GTM upgrades, consent management setups, server-side mirrors and setups, Data Manager API automations, we serve a lot of different customers and stakeholders but it’s a superb ride.”
Duga Digital is 5! - published by Duga Digital
Data Manager API implementation
Duga Digital's end-to-end consultancy and build for Data Manager API integrations, covering solution design, infrastructure build, testing, change management and knowledge transfer. It centres on a customised, consent-aware server-side GTM tag with a Firestore session store, and connects offline conversions to online measurement and automation.
Relations
DEPENDS_ONData Manager APIACHIEVESData Strength (inferred)
Evidence
“What we offer at Duga is something broader in scope. A Data Manager API implementation that actually moves your numbers needs a great deal more than a properly configured GTM template. It needs: - Solution design: matching the API’s affordances to your specific business, your data model, your consent regime and your destinations. Which events to send.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“- GA4 audits and attribution rebuilds. - Google Tag Gateway implementations under Google funding (revenue you can pass through to clients without the cost gate). - Data Manager API and offline-to-online conversion flows.”
For agencies - published by Duga Digital
“I spoke with a few people when I started Duga and they said Enjoy the ride, you don’t know how long it will last or what you’ll do And they were right. Working on projects like GA4 migrations, GTM upgrades, consent management setups, server-side mirrors and setups, Data Manager API automations, we serve a lot of different customers and stakeholders but it’s a superb ride.”
Duga Digital is 5! - published by Duga Digital
“- Knowledge transfer: documentation, runbooks and walk-throughs so the system is owned, understood and maintainable by your team long after we step away. Put plainly: Duga delivers the full consultancy and the full build, end-to-end, across the full range of Data Manager API use cases. Our heavily customised tag sits inside that build as the dispatcher at the end of the pipeline. At the centre of the architecture is a customised, consent-aware server-side GTM tag template with a Firestore session store integration. No third-party cookies.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“Which identifiers to use. Which destinations to feed. Where the joins happen. - Infrastructure build: the sGTM container, the Firestore session store, the Cloud Run processors, the BigQuery exports, the Shopify and CRM webhook handlers, and the IAM, service accounts and confidential matching configuration that hold it all together.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
Data quality
Duga Digital's tiered service that finds gaps in analytics tracking, fixes them and proves the resulting uplift, with the aim of numbers clients can trust. The publisher also uses the term for the cleanliness and consistency of data, which it ties to AI value and says governance cannot shortcut, and as a principle of delivering auditable, trusted data.
Relations
TARGETSGoogle Analytics 4 (inferred)ENABLESArtificial intelligence
Evidence
“98% of marketers are making decisions on broken data. The average GA4 property is misattributing conversions by a wide margin. We find the gaps, fix the tracking, and prove the uplift. 3 tiers. One goal: numbers you can trust.”
Data Quality - published by Duga Digital
“AI amplifies whatever you give it. Garbage in, confident garbage out. Data quality maturity is now directly tied to AI value extraction. You cannot shortcut governance and expect intelligent output. Day Four, Distilled”
Superweek 2026 – Day Four - published by Duga Digital
“- The best practice advanced analytics for Shopify These are all real world examples of solving problems for clients. They’re great examples of learning, knowledge share, and growth – key Dugan values. They all lean towards striving for data quality.”
BEST of Marketing Analytics Summit - published by Duga Digital
“If they’re asking it, it matters. Another strong reminder: Never assume high traffic means high success. High traffic often just means high noise. Clean beats volume.”
Superweek 2026 – Day Four - published by Duga Digital
“- Know your hits – tactics to deliver auditable, trusted, data - Money saving advice when your data collection volumes are large - Cross domain diagnosis tactics you probably haven’t considered - Server side GTM admin that everyone forgets”
BEST of Marketing Analytics Summit - published by Duga Digital
Data Strategy
A Duga service in which it collaboratively defines and builds a data strategy that meets the client's business needs. It aims to grow the client's data capability and business value, and to help them make better marketing decisions.
Evidence
“That’s why Duga are committed to helping our clients in a number of ways: - DATA STRATEGY Collaboratively define and build a robust data strategy that will meet your business needs to help you grow your data capability, and business value.”
Introducing Duga Digital - published by Duga Digital
“Especially when it pays off! If you want help with your data, analytics or insights, Duga Digital is a dedicated agency focusing on data strategy, enablement and activation. We work with a range of businesses help them ultimately get value from their data to drive better and more effective marketing decisions.”
An interview with our founder - published by Duga Digital
“But also I am most surprised at how motivated I am to make it a successful, sustainable business. I have really learnt there is a need for the data services Duga offer in the market and I am committed to making the business thrive.”
An interview with our founder - published by Duga Digital
Data Strength
Duga's term for how well an organisation's data meets the bar Google AI needs to maximise ROI, positioned as a foundational measurement KPI for 2026 and a response to accelerating signal loss. It has four dimensions: Volume, Quality, Durability and Maturity. The publisher links it to Google's programme encouraging robust, compliant data collection, in which user-provided data is a large part.
Relations
RELATES_TOGoogle Analytics 4COVERSSignal loss
Evidence
“Expect serious investment in data strength Data strength is a measure of how well your data meets the bar Google AI needs to genuinely maximise your ROI. It is not a soft metric. It is the foundation everything else is built on.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“We have started referring to the response to this problem as Data Strength, and we believe it is the single most important measurement KPI for 2026. It has four dimensions: - Volume: the percentage of possible signal you are collecting. Red flag: offline events that never make it back into the model.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“Google Data Strength Programme: Live Duga Digital is now a formal delivery partner for Google’s Data Strength Programme, a P0 priority initiative for 2026. The programme funds improvements in data signals for large brands, with the goal of improving data quality across the Google advertising ecosystem.”
Duga Digital – February 2026 - published by Duga Digital
“Controlling UPD is a key ingredient to the hot topic of Data Strength – the phrase “doubling down” comes to mind. In addition, expect to see fine grained detail on the hits being sent from the container – more visibility, more control, better data collection.”
GTM Changes Highlights – May 2026 - published by Duga Digital
“Collecting Personal Identifiable Information (PII) has been a staple in data collection for a while. Different platforms have different requirements and use the data in different ways. Today I’ll focus on Google’s User Provided Data, which is a big part of their new Data Strength programme, designed to enable and incentivise you to collect data in the most robust and compliant way possible.”
User Provided Data for Google Platforms - published by Duga Digital
Data Trust
One of the publisher's pillars for freeing marketers from data wrangling. It asks whether collected data is correct and accurate, and whether it has been verified against other data platforms to ensure alignment in measurement.
Relations
PART_OFData Enablement
Evidence
“How do businesses overcome this inefficiency and allow marketers to get back to focusing on the customer? - Data Trust – Is the data that’s being collected correct and accurate Has it been verified against other data platforms to ensure there is some alignment in measurement.”
Should marketers be analysts? - published by Duga Digital
Device fingerprinting
A tracking technique that reads device characteristics, such as screen dimensions, to follow users around the web for advertising purposes. It circumvents consent.
Evidence
“ATFP offers a lot of great protection for the user from device fingerprinting – an insidious tracking technique that circumvents consent in order to literally chase you around the web for advertising gains.”
When Safari breaks The Internet - published by Duga Digital
“So, known fingerprinting scripts aren’t allowed to access device characteristics such as screen dimensions, that can be used in shifty tracking schemes but there’s more”…. “And lastly, Safari prevents known fingerprinting scripts from reading state that could be used for navigational tracking, such as query parameters and document.referrer.””
When Safari breaks The Internet - published by Duga Digital
Didomi
A consent management platform vendor and partner of Duga Digital, which implements it for clients. Duga has migrated clients to it from legacy CMPs such as Pandectes on Shopify, without downtime or data loss.
Relations
INSTANCE_OFConsent managementOFFERSConsent managementDEPENDS_ONGoogle Tag ManagerENABLESConsent ModePART_OFDuga 5-layer stack
Evidence
“A Strategic Milestone for the Industry Didomi’s acquisition of Addingwell, backed by a €72 million investment from Marlin Equity Partners, is more than just a business transaction—it’s a bold statement about the future of data privacy and consent management. This partnership brings together two visionary teams, both recognised for their commitment to customer success and their leadership in privacy-first technologies.”
Congratulations to Didomi and Addingwell: Ushering in a New Era of Data Privacy and Innovation - published by Duga Digital
“Pros: - Technically very capable - Multi-platform support - Zero-to-live in minutes - Shopify capability”
Decoupling Data & Consent: Why This CMP is a Masterclass - published by Duga Digital
“- ad_storage denied incorrectly, wiping paid signal without anyone noticing - Consent race conditions corrupting conversion events - Shopify legacy CMP to Didomi migrations executed with zero data loss”
Consent Management - published by Duga Digital
“- Consent management implementations (Didomi partner). - BigQuery, Dataform and reporting layers. The honest pitch 3 reasons agencies need us. 01 You can’t answer the question”
For agencies - published by Duga Digital
“The Shopify stack Proof 30% -> 3.6% revenue gap closed Pandectes -> Didomi”
Shopify Analytics - published by Duga Digital
Direct traffic misattribution
The problem where direct traffic absorbs credit that belongs to real channels. The page attributes it to server-side referrals, broken UTMs and consent gaps.
Evidence
“A written diagnostic at the end of phase 1. A causal impact study at the end of phase 3. Where attribution goes wrong - Direct traffic is eating your real channels (server-side referrals, broken UTMs, consent gaps)”
Attribution - published by Duga Digital
“Your GA4 is lying to you. You just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. We rebuild the measurement, find the lost signal, and prove the real incremental uplift with causal impact modelling. Not last-click.”
Attribution - published by Duga Digital
Doug Hall
Director of Analytics at Duga Digital. He presented five analytics insights at the BEST of Marketing Analytics Summit and gave an open letter style talk arguing that big agencies kill innovation and smaller is better, because structure determines behaviour.
Relations
AFFILIATED_WITHDuga Digital
Evidence
“Big Agencies, Small Ideas Doug Hall – Duga Digital “Big Agencies Kill Innovation: Size Matters and Smaller is Better” Doug’s talk was an unapologetic open letter to anyone who still equates scale with quality.”
Superweek 2026 – Day One - published by Duga Digital
“First of all, Happy New Year from everyone at Duga Digital. We’ve started 2025 at pace with Doug (Director of Analytics) having the privilege of presenting at the BEST of Marketing Analytics Summit virtual conference – FIVE incredibly actionable insights for your analytics that you probably didn’t know about:”
BEST of Marketing Analytics Summit - published by Duga Digital
“After three decades in digital, his argument was simple and uncomfortable:every acquisition promises leverage and ends in gravity. Innovation doesn’t fail because people stop caring. It fails because incentives change. Spreadsheets win. Politics creep in.”
Superweek 2026 – Day One - published by Duga Digital
“- Close enough to delivery that mistakes are visible and learning is fast Doug wasn’t being nostalgic. He’s lived on both sides. His point wasn’t that big organisations are evil – it’s that structure determines behaviour. If you want experimentation, speed and truth, you don’t design for comfort.”
Superweek 2026 – Day One - published by Duga Digital
Duga 5-layer stack
The standard five-layer technical stack used in every Duga Digital build, composed for the client's business rather than assembled from scratch. It consists of server-side GTM, Addingwell for sGTM infrastructure, Didomi for consent, GA4 with BigQuery, and an in-house library of technical assets that automate repeatable data operations. It is intended to keep measurement resilient to browser and platform changes and to give consistent audits, documentation and handover.
Relations
PRODUCED_BYDuga Digital
Evidence
“Opinionated engineering, not a tool list. Every Duga build uses the same 5-layer stack, composed for your business, not assembled from scratch. The result is measurement that survives the next browser update, the next platform change, and the next agency review.”
Technical Framework - published by Duga Digital
“The Duga approach Our tech stack is Google-aligned by design. We operate with server-side GTM, we use Addingwell for sGTM infrastructure, we have Didomi handling consent, and we run our own library of technical assets that automate the repeatable parts of data operations. Our GA4 and BigQuery setup is a working demonstration of what clean, expert implementation looks like.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“The Duga stack, every time. “The same stack every time means the same audit, the same documentation, the same handover. Your next team can pick it up without an archaeology project.” How we work, in one sentence”
Technical Framework - published by Duga Digital
“When we approach an offline conversion problem, we bring that stack to bear systematically. We start with an audit: what data exists, where does it live, how clean is it, and what is the realistic path to joining it back to an ad click. We produce a specification that covers the full technical design. We build, test, and validate before any data touches the live Google Ads account. And we document everything, because a solution that only works while we are in the room is not a solution.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
Duga Digital
A specialist digital analytics implementation and measurement strategy consultancy founded by Dan Truman in 2023. It focuses on the data layer rather than acting as a full-service agency, often plugging into agency engagements to fix measurement, attribution and tagging. It uses the same opinionated engineering stack on every build, for consistent audits, documentation and handover.
Relations
OFFERSServer-side tagging implementationOFFERSGoogle-funded analytics implementationOFFERSAgency partnership servicesOFFERSGA4 audits and attribution rebuildsOFFERSShopify measurement stack deploymentOFFERSCRO programmesRELATES_TOGoogle Marketing PlatformOFFERSDuga Digital SolutionsOFFERSData StrategyOFFERSData EnablementOFFERSData activationOFFERSData InsightsOFFERSGA4 migrationOFFERSConsent management implementationOFFERSData Manager API implementationOFFERSAuto-sGTMOFFERSMeasurement Stack AuditOFFERSMeasurement Recovery ImplementationOFFERSOngoing Measurement Partnership
Evidence
“About Duga The data team your CMO doesn’t have, and your agency doesn’t want you to. Duga is a specialist digital analytics consultancy. Founded by Dan Truman in 2023, we work with marketing teams that spend real money on Google and Meta, and want their measurement to stand up to a CFO’s questions.”
About Duga - published by Duga Digital
“Duga Digital sits at the crossroads of those two elements. Our strengths have been digital data and analytics for a long time. We have a combined 50 years of experience across the landscape of digital marketing, digital analytics and conversion rate optimisation.”
Duga Digital – The Future - published by Duga Digital
“Especially when it pays off! If you want help with your data, analytics or insights, Duga Digital is a dedicated agency focusing on data strategy, enablement and activation. We work with a range of businesses help them ultimately get value from their data to drive better and more effective marketing decisions.”
An interview with our founder - published by Duga Digital
“For agencies You sell media. Your client’s data is a liability. We are the data layer underneath your retainer. We plug into your existing engagements and fix the measurement, attribution and tagging that’s quietly hurting your campaign performance.”
For agencies - published by Duga Digital
“Specialist digital analytics, built for marketers Nobody wakes up wanting a server-side migration. They wake up wanting the missing revenue back. We rebuild the measurement under your ad spend so Google and Meta can see what works. The result: cleaner data, sharper bidding, and revenue your campaigns earned but were never credited for.”
Specialist digital analytics, built for marketers - published by Duga Digital
Duga Digital Solutions
Duga's ecosystem of tools and processes that act as enablers and foundations for getting Google Marketing Platform and Google Cloud Platform to work for clients, delivering large-scale change and value.
Relations
ENABLESGoogle Cloud PlatformENABLESGoogle Marketing Platform
Evidence
“Our Solutions will become the enablers and the foundations of getting GMP and GCP (as examples) to work for clients. We are creating tools and processes to deliver large scale change and value to organisations.”
Duga Digital – The Future - published by Duga Digital
“Tools like: - Auto-sGTM - Analytics Clean - Analytics Scan Our Services remain as the omnipresent consultancy that our clients seeking support require – we drive implementation projects, operate retained analytics and insights services, and build CRO programmes to drive bottom line growth.”
Duga Digital – The Future - published by Duga Digital
Duga Logger
A server-side GTM logger built by Duga Digital that writes one flat row per event to a date-partitioned BigQuery table. It adds real-time Slack alerting, cumulative metrics and data quality checks, with thresholds configurable per client or container.
Relations
DEPENDS_ONBigQueryDEPENDS_ONFirestoreDEPENDS_ONServer-side Google Tag ManagerPRODUCED_BYDuga Digital
Evidence
“For sure, there are already good sGTM loggers out there. Addingwell and Stape both deploy well-regarded templates, and we used both as a starting point. But neither one, on its own, gave us everything we wanted, so we built our own: the Duga Logger.”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
“If a client’s compliance posture calls for Addingwell’s approach instead, that is a configuration decision worth making explicitly, not an oversight. Per-event and per-tag monitoring The core of the logger is simple: every event gets one flat row in a date-partitioned BigQuery table, and every named tag gets its own execution result recorded inside that row.”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
“One framework, built to grow Every threshold in the logger is a template field, not a hard-coded number. Alert thresholds, plateau minutes, the spike multiplier, and the minimum spike count are all tuned per client, or per container, without touching code. Any tag can be named and opted in, or excluded, at any time, with no redeploy needed. The same JSON columns that make the schema flat also mean new event parameters or new tags never require a schema migration.”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
Ecom Attributor
A custom attribution tool for subscription and repeat-purchase businesses, where GA4's built-in ecommerce attribution gives the wrong credit. It accounts for product lifecycle, first versus repeat purchase and net new revenue.
Relations
PART_OFGA ToolsDEPENDS_ONGoogle Analytics 4
Evidence
““GA4 credits 40% of subscription revenue to organic search, it’s obviously wrong.” CFO, subscription brand How it’s used Custom attribution that knows about product lifecycle, first vs repeat purchase, and net new revenue. Tuned to your basket economics.”
GA Tools - published by Duga Digital
“GA tooling Ecom Attributor The problem GA4’s built-in ecommerce attribution is broken for subscription and repeat-purchase businesses. Every reorder gets the wrong credit.”
GA Tools - published by Duga Digital
Enhanced conversions
Google's approach to sending user-provided data to Google Ads so that conversions can be matched back to ad clicks, improving conversion measurement. It can be set up client side or server side, and it does not work without consent.
Relations
RELATES_TOData Manager APIDEPENDS_ONUser Provided DataDEPENDS_ONConsent ModePART_OFData StrengthIMPROVESROAS (inferred)
Evidence
“Benefits There are many success stories from implementing Enhanced Conversions (Google’s name for sending UPD to Google Ads). One of Google’s clients in Asos experienced improved return on ad spend (ROAS) with a recorded sales uplift of 8.6% in Search and 31% in YouTube. Improvements like these can be seen on the Conversions diagnosis in Google Ads, where you can start analysing its effect:”
User Provided Data for Google Platforms - published by Duga Digital
“What an interesting time to be doing this Here is the thing: The tools to fix this problem now exist. Properly. In a way they genuinely did not five years ago. Google’s Data Manager API, and the broader enhanced conversions framework that sits around it, allows businesses to take offline conversion data, match it back to the original ad click, and feed it into Google Ads in a way that the Smart Bidding algorithms can actually use.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“In the UK, which follows the UK GDPR, even hashed PII is considered personal data, which means that you need to ask for consent to collect it. Google Consent Mode (GMC), will dictate how, and if, UPD is used. In a more technical term, the ad_user_data signal is the signal in charge of allowing Google platform to receive and use UPD. This means that no consent means no Enhanced Conversions. It’s as simple as that.”
User Provided Data for Google Platforms - published by Duga Digital
“Server-Side Enhanced Conversions via Server-Side works exactly the way it works client side. - No consent means no Enhanced Conversions - Data is hashed before being sent to Google Implementing it is even easier, since the legwork was done client-side:”
User Provided Data for Google Platforms - published by Duga Digital
Enhanced Measurement
A GA4 feature that collects events automatically via gtag and uses your event settings variable. Its events are therefore indistinguishable from those sent by your own GTM tags unless you add a distinguishing parameter.
Relations
PART_OFGoogle Analytics 4CONFLICTS_WITHInitiator event parameter
Evidence
“Client side only, that works fine and dandy thank you. More or less…but there can be issues. Read on: GA4 Configuration changes can affect GTM/gtag When you enable Enhanced Measurement in GA4, the resultant measurements will use your event settings variable.”
Make INSTANT tag changes using sGTM - published by Duga Digital
“You cannot distinguish between your tags sending data to GA4 and that sent by enhanced measurement. See here where my GTM container didn’t fire a tag on History Change: But the gtag did send data: And you can see it used the event settings:”
Make INSTANT tag changes using sGTM - published by Duga Digital
Event deduplication
Matching web and backend events using deduplication keys so that each conversion is counted once. Inconsistent deduplication was one of the causes of the reporting gap.
Evidence
“Client-side tags were being blocked by browsers and consent tools, deduplication between web and backend events was inconsistent, and the warehouse was missing the join keys needed to validate any of it. Bid algorithms were starving and the marketing team had no auditable answer for the finance director.”
+37% ad-platform signal recovered - published by Duga Digital
“02 Server-side container build Stood up a server-side tagging container on a custom subdomain, ported the priority conversion events, added deduplication keys. 03 Consent and identifier hygiene Reconciled consent state across CMP, GTM and server. Backfilled hashed identifiers where the user had consented to advertising.”
+37% ad-platform signal recovered - published by Duga Digital
“From kickoff to first production stream into BigQuery 100% Of priority paid events deduplicated and consent-aware end to end “The team treated our measurement like it was their own product. We finally have numbers we trust to optimise on.””
+37% ad-platform signal recovered - published by Duga Digital
Firestore
Google's document database on Google Cloud, used by the publisher as a strongly-consistent store. Uses include idempotency claim records, alerting state kept outside tag runtime storage, session attribution records keyed to client ID or hashed email with a time-to-live, and BigQuery-derived profit data for server-side variable lookups. Its transactions provide an atomic cross-instance counter, and data must be swept or expired.
Relations
Evidence
“State for all of this lives in Firestore rather than in the tag’s own runtime storage, because that storage is scoped to a single server process instance and gets wiped whenever Cloud Run recycles or autoscales, which happens more often than you would expect under real traffic. Firestore transactions give an atomic, cross-instance counter instead. Alerting can also never break event logging: the BigQuery insert always runs first and unconditionally, before the alerting function is even called, so a Slack or Firestore problem never costs you the underlying data.”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
“Solution For the Cloud Run Function, we’ve used Firestore to maintain a record of logical events. But a non-atomic read-check-act solution isn’t robust. This doesn’t solve the race. More appropriately, we maintain a claim record per logical event in Firestore, keyed by a stable idempotency key.”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“1.5 – Storage That record lives in Firestore, keyed to the client ID, with a time-to-live. We don’t need to keep it forever, only long enough to account for an usual online interaction to offline purchase window.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“Strategies for using revenue and profit data in ecommerce reporting, and Google Ads optimisations. You might recall an earlier post where I demonstrated a potential automation for populating Firestore with data from BigQuery. That demo used the data in Value Based Bidding in a Google Ads Conversion tag.”
Server side integrated Ecommerce and Analytics - published by Duga Digital
“2.5 – Storage, again This second record is keyed to the hashed email address, and it holds everything we’ll need later: - User identifiers: client ID, session ID, hashed email, hashed phone number - Session attributes: landing page, referrer, user agent, campaign, click identifiers”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
First party tagging
A lightweight first-party server layer that serves Google tags from the advertiser's own domain. It prevents ad blockers and ITP from stripping signal, so conversion data arrives cleanly and bid quality improves.
Relations
PART_OFGoogle-funded analytics implementationDEPENDS_ONGoogle Tag Manager
Evidence
“First party tagging A first-party lightweight server layer that puts your Google tags on your own domain. Ad blockers and ITP stop stripping signal. Conversion data lands cleanly. Bid quality improves the same week.”
Funding for analytics work - published by Duga Digital
First-party data
Data collected directly by the business, described as its primary asset and essential ingredient, with collection spanning online and offline and real-time and asynchronous sources. It should be enabled intentionally rather than left to default settings. It also covers serving scripts and collecting data from the same origin using paths such as /scripts and /metrics, framed as ownership of the data stream.
Relations
ENABLESData StrengthRELATES_TOData governance
Evidence
“If you are not already treating first-party data as your primary asset, now is the time to change that. Think online and offline. Think real-time and asynchronous. Data collection is not a single-channel discipline any more.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“Conclusion Google Tag Gateway is no longer just a ‘nice to have’; it’s becoming the bedrock of durable, privacy-centric analytics. By moving from third-party scripts to a first-party, same-origin setup via Cloudflare, we aren’t dodging ad blockers – that’s not the motivation, we are taking full ownership of our data stream.”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
“Why? Simply, it’s about having control over data collection settings. The fact Google prompted so many people to address this is positive for data governance – bravo. Some points to consider though: Be aware of 1PD – don’t let the default setting for user data collection happen unless you’re intentionally choosing that option and are aware of what it means.”
Automatic gtag – what does it mean for you? - published by Duga Digital
“- Are you actually activating everything you collect? These are uncomfortable questions. They require proper tools and proper support. Expect significant progress in this area in 2026. First-party data is the essential ingredient, full stop”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“We found the Google Tag Gateway setup using Cloudflare to be a straightforward process. /scripts Cool. So, now we serve Google scripts from first party, same origin, same site, etc etc. /dugadataftwbbq is our “/scripts” path.”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
GA Config Inspector
A tool that snapshots the full GA property configuration daily, compares it with the approved spec and alerts on unauthorised changes. It provides an audit trail that can be exported to PDF.
Relations
PART_OFGA ToolsDEPENDS_ONGoogle Analytics 4
Evidence
““I can’t prove the config matches what we agreed six months ago.” Measurement Consultant How it’s used Snapshots the complete GA property configuration daily, diffs against the approved spec, and alerts on unauthorised changes. Audit trail exportable to PDF.”
GA Tools - published by Duga Digital
“GA tooling GACI (GA Config Inspector) The problem GA property configs drift. Somebody adds an event, someone else deletes a dimension, and by month six no one can tell what’s changed.”
GA Tools - published by Duga Digital
GA Tools
A set of six proprietary GA4 operating tools built by Duga Digital for analysts and engineers to run GA4 as a production system. They cover annotations, dimension management, ecommerce attribution, configuration inspection, reconciliation and user property validation.
Relations
DEPENDS_ONGoogle Analytics 4
Evidence
“Tools · GA GA4 operating tooling that keeps your property honest. 6 proprietary tools your analysts and engineers use to run GA4 as a real production system. GA tooling Annotations Automation”
GA Tools - published by Duga Digital
“Take the tools for a spin Book a 20-minute walkthrough. We’ll show you the tool working on your own stack, share the GitHub repo, and scope onboarding.”
GA Tools - published by Duga Digital
GA4 360
The paid tier of Google Analytics 4, used on one of the two server-side streams tracking DugaDigital.com. In Duga's tracking its BigQuery export arrives faster than GA4 Standard, averaging just over 7 hours, but with more volatile delays.
Relations
PART_OFGoogle Analytics 4INSTANCE_OFGoogle Analytics 4
Evidence
“On average, the free GA4 tier delivers its BigQuery dataset in 9 hours and 50 minutes. GA4 360 (Paid Tier) And the 360 property? This is where it got interesting. Yes, it’s faster averaging just over 7 hours for the data.”
When the drop hits - published by Duga Digital
“Architecture All of the datasets we’re analysing come from a single site: DugaDigital.com. The site is dual-tracked with two server-side streams: - One for GA4 360 - One for GA4 Standard”
When the drop hits -Act #2 - published by Duga Digital
“But look at the volatility. It has recently shown significant increases in delay, climbing from under 7 hours to over 8 hours, with no corresponding config changes, imports, or new workloads on our end.”
When the drop hits - published by Duga Digital
“Our Takeaway (And Your Turn) This simple tracking system turned a “gut feeling” into a valuable, actionable insight. For us, it’s clear that while GA4 360 is faster, it’s not immune to processing delays, and in our case, those delays are currently more volatile than the free tier.”
When the drop hits - published by Duga Digital
“- Session volumes Are they in the same ballpark? Rows look about right – 6375 is the 360 property: Sessions follow a similar pattern: (If you’re wondering about the spikes at the end of September — that was me using our own site for calibration and automated testing.)”
When the drop hits -Act #2 - published by Duga Digital
GA4 audits and attribution rebuilds
A structured diagnostic that audits Google Analytics 4 setups, finds breaks in tracking after the UA-to-GA4 migration and rebuilds attribution, followed by fixes. It then uses causal impact modelling to prove the real incremental uplift, and is used to explain issues such as unexplained drops in reported GA4 data.
Relations
DEPENDS_ONGoogle Analytics 4PART_OFAgency partnership services
Evidence
“+214% Your GA4 is lying to you, you just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. A structured diagnostic finds the breaks, we fix the tracking, and we prove the real incremental uplift with causal impact modelling.”
Specialist digital analytics, built for marketers - published by Duga Digital
“- GA4 audits and attribution rebuilds. - Google Tag Gateway implementations under Google funding (revenue you can pass through to clients without the cost gate). - Data Manager API and offline-to-online conversion flows.”
For agencies - published by Duga Digital
“You’re being asked questions you can’t answer. “Why has GA4 dropped 20%?”, “Can you prove the Meta uplift?”, “What happens after the consent banner?” We answer those in writing. 02 You don’t want to hire data full-time”
For agencies - published by Duga Digital
““Duga is the only analytics team we’ve worked with who can rebuild the data and prove the commercial uplift in the same quarter.” Head of Growth, automotive marketplace, GBP 1bn+ marketplace business For agencies”
Specialist digital analytics, built for marketers - published by Duga Digital
GA4 BigQuery export delivery time tracker
A tracking system built by Duga Digital that logs when the daily GA4 export lands in BigQuery. A Cloud Run Function sends the usual Slack message and inserts a row into a bq_delivery_logs table, so delivery times can be graphed. The author uses it to track delivery time across the 360 and Standard datasets and to see whether the curves are flattening or speeding up.
Relations
DEPENDS_ONCloud Run functionsDEPENDS_ONPub/SubDEPENDS_ONBigQueryRELATES_TOBigQuery
Evidence
“While they did the heavy lifting, I modified our existing Cloud Run Function. Now, when the function confirms the data set is available, it does two things: - Sends the usual Slack message. - Inserts a new row into our bq_delivery_logs table.”
When the drop hits - published by Duga Digital
“Overall, the two datasets appear pretty consistent. With that confirmed, we can turn our attention back to the main topic: bg_drop time. 360: Standard: Are the curves flattening?”
When the drop hits -Act #2 - published by Duga Digital
“I’d much rather analyze this in BigQuery itself. This “itch” was the perfect excuse to build a proper tracking system. From Slack Noise to BQ Gold We already had the foundation in place. Our system uses Event Arc triggers to push messages to Pub/Sub, which in turn trigger Cloud Run Functions to handle our BQ workloads and send those handy webhook messages to Slack.”
When the drop hits - published by Duga Digital
“Our Takeaway (And Your Turn) This simple tracking system turned a “gut feeling” into a valuable, actionable insight. For us, it’s clear that while GA4 360 is faster, it’s not immune to processing delays, and in our case, those delays are currently more volatile than the free tier.”
When the drop hits - published by Duga Digital
“In my last post, I shared some observations about the latency of our raw GA4 data landing in BigQuery. That sparked a wave of thoughtful follow-up questions. Thanks to everyone who reached out with insights and curiosities.”
When the drop hits -Act #2 - published by Duga Digital
GA4 migration
Duga Digital's business-centric service for moving organisations from Universal Analytics to Google Analytics 4. It treats the migration as a chance to review, refine and future-proof digital analytics rather than simply accept Google's enforced change.
Relations
DEPENDS_ONGoogle Analytics 4
Evidence
“In the past 12 months we have run a number of GA4 migrations for our clients. And whilst there is the option for the Google enforced migration, given the difference in Universal Analytics to GA4, Duga Digital see this as a great opportunity to review, refine and update your digital analytics to ensure it’s future proofed for your organisation.”
Ready for GA4? - published by Duga Digital
“I spoke with a few people when I started Duga and they said Enjoy the ride, you don’t know how long it will last or what you’ll do And they were right. Working on projects like GA4 migrations, GTM upgrades, consent management setups, server-side mirrors and setups, Data Manager API automations, we serve a lot of different customers and stakeholders but it’s a superb ride.”
Duga Digital is 5! - published by Duga Digital
“So how should organisations go about the GA4 migration? Duga is well versed in GA4 upgrades and takes a business centric approach to getting ready. - Requirements gathering & KPI mapping – what KPIs are important to your business. If they are different to the new GA4 measurement framework, how do you map the KPIs into the new structure?”
Ready for GA4? - published by Duga Digital
GA4 recommended ecommerce schema
Google's documented set of ecommerce events and parameters in GA4, each mapping to a stage of the shopping journey. Using the exact event and parameter names lets GA4's standard reports, explorations and integrations populate automatically.
Relations
PART_OFGoogle Analytics 4
Evidence
“The Recommended Schema, Briefly GA4’s ecommerce events aren’t arbitrary. Each one maps to a stage of the shopping journey, and each one expects a specific, documented set of parameters: - view_item_list, select_item: browsing and list interactions”
GA4 Ecommerce: Stop Building What Google Already Gives You - published by Duga Digital
“None of this is a suggestion in the “nice to have” sense. GA4’s standard reports are quite literally built to read these exact event and parameter names. Rename add_to_cart to addToBasket, or send item_name as a flat event parameter instead of inside the items array, and the reports that were meant to populate automatically simply stay blank. You haven’t broken GA4. You’ve just built tracking it doesn’t recognise.”
GA4 Ecommerce: Stop Building What Google Already Gives You - published by Duga Digital
“The Takeaway Before building a custom event, a custom dimension, or a bespoke report for something ecommerce-shaped, it’s worth five minutes checking whether Google’s recommended schema already covers it. More often than not, it does, and building around it instead of adopting it just means more work for you and a smaller set of reports for everyone using GA4 downstream.”
GA4 Ecommerce: Stop Building What Google Already Gives You - published by Duga Digital
GA4 Standard
The free tier of Google Analytics 4, fed by the second server-side stream on DugaDigital.com. Its BigQuery delivery time is consistent but has slowly grown with traffic and data volume, averaging 9 hours and 50 minutes.
Relations
PART_OFGoogle Analytics 4INSTANCE_OFGoogle Analytics 4
Evidence
“We expected 360 to be faster, but the pattern surprised us. GA4 Standard (Free Tier) The free tier has been remarkably consistent. Aside from a few glitches, the data delivery time has slowly grown, which seems to line up with our increasing traffic and data volume.”
When the drop hits - published by Duga Digital
“Architecture All of the datasets we’re analysing come from a single site: DugaDigital.com. The site is dual-tracked with two server-side streams: - One for GA4 360 - One for GA4 Standard”
When the drop hits -Act #2 - published by Duga Digital
“On average, the free GA4 tier delivers its BigQuery dataset in 9 hours and 50 minutes. GA4 360 (Paid Tier) And the 360 property? This is where it got interesting. Yes, it’s faster averaging just over 7 hours for the data.”
When the drop hits - published by Duga Digital
“Which brings us to the core question: Are these two datasets actually comparable? Compare rows and sessions To find out, we looked at the daily tables for each dataset and plotted two key metrics: - Table size (row counts)”
When the drop hits -Act #2 - published by Duga Digital
GDPR
The data protection regulation introduced in May 2018 that sets out how to collect, withdraw and document user consent, and which the ICO enforces in the UK. Duga's server-side rebuild is designed to comply with it, and consent handling is central to the work.
Evidence
“The GDPR was introduced on May of 2018. Since then, in the UK, the ICO has been responsible for enforcing it. For years now there has been a regulation in place stating how to collect, withdraw, and document data in regards to user consent. Google Consent Mode was launched in 2020, with v2 available from 2023. To this day though, a lot of businesses still risk non-compliance with the GDPR, and a lot have either not yet implemented Google Consent Mode, or have not done it to a good standard.”
Consent Mode Overview - published by Duga Digital
“Server-side rebuild with luxury-grade consent First-party data preserved, ad-platform signal restored, GDPR-clean. Boutique and private-appointment signal Offline conversions, including video consultations and high-touch sales paths, fed back to media in real time.”
Specialist analytics for luxury and high-consideration retail - published by Duga Digital
“02 Server-side container build Stood up a server-side tagging container on a custom subdomain, ported the priority conversion events, added deduplication keys. 03 Consent and identifier hygiene Reconciled consent state across CMP, GTM and server. Backfilled hashed identifiers where the user had consented to advertising.”
+37% ad-platform signal recovered - published by Duga Digital
“There are a lot of resources out there that explain the impact of GDPR, the Data Protection Act 2018, and PECR – like this Ultimate Guide by Didomi. I’m not a lawyer or a DPO (and this is not legal advice!) so I won’t comment on these. I have, though, seen my fair share of misconfigured Consent solutions (including, but not limited to Google’s), and I’ll share what you should be looking for to ensure best practices are being followed.”
Consent Mode Overview - published by Duga Digital
Technology company that develops Google Ads, Google Analytics, Google Cloud and the Data Manager API. Duga Digital holds partnerships with it, including P0 specialist partner, GMP partner and Data Manager API beta participation, and Google funded the Tag Gateway implementation.
Evidence
“We’re partnered with Google (P0 specialist partner, GMP partner, Data Manager API beta), Stape, Addingwell and Didomi. We sit inside a small number of named agency partnerships, and we deliver direct for brands when it makes sense.”
About Duga - published by Duga Digital
“Now we have an amazing tech partnership with Google, with Addingwell, and some incredible individual relationships across the industry. Most of our work is won through word of mouth based on excellent testimonies from work done elsewhere.”
Duga Digital is 5! - published by Duga Digital
“One request can contain all of the above destinations, any number of events (I haven’t tried to break it though), require no API secrets to manage, and is actively being developed. This is how Google wants you to start sending server-to-server events now. From the beginning of the year they have been developing this HARD, and we’ve been testing it a lot. This month, it has come to a point where I’m really happy with it.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“Online behaviour tied to dealership visits and sales, with appointment booking signals fed back to Google and Meta. Inventory-aware bidding Recommend cars based on what is actually available at the dealership closest to the user. Bid harder when stock is on the lot.”
Specialist analytics for automotive marketing - published by Duga Digital
“We rebuilt the consent layer, deployed Auto-sGTM and put a full Google Tag Gateway implementation under Google’s own funding. Organic sessions improved 37% and held for a full year. Paid bidding quality improved inside the first 14 days.”
Specialist analytics for automotive marketing - published by Duga Digital
Google Ads
Google's advertising platform, which the publisher says was designed around immediate, trackable browser actions and optimises towards what it can see, such as a form fill when sales happen offline. Duga discusses sending offline conversions or profit as conversion value to drive optimisation such as Value Based Bidding, and notes its tags do not lend themselves to calibration.
Relations
PART_OFGoogle Marketing Platform
Evidence
“The root cause is structural. Google Ads was designed around an immediate, trackable action. Click, land, convert, done. The attribution model assumed the sale happened in the browser. For a significant portion of commercial activity, it does not.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“Strategies for using revenue and profit data in ecommerce reporting, and Google Ads optimisations. You might recall an earlier post where I demonstrated a potential automation for populating Firestore with data from BigQuery. That demo used the data in Value Based Bidding in a Google Ads Conversion tag.”
Server side integrated Ecommerce and Analytics - published by Duga Digital
“04 BigQuery as source of truth Streamed deduplicated events into BigQuery, joined to CRM stages and revenue. Built audit dashboards for marketing and finance. 05 Platform reconciliation Wired the priority events into Google Ads and Meta using enhanced server-side feeds.”
+37% ad-platform signal recovered - published by Duga Digital
“You probably qualify if any of this is true. - You spend GBP 30K or more a month on Google Ads. - You are an established advertiser, not a one-month-old startup. - You have a working Google Tag Manager set-up today.”
Funding for analytics work - published by Duga Digital
“05 Offline conversion pipeline Wired bespoke high-touch sales paths (including in-person consultations) back into Google Ads as offline conversions. 06 Finance-grade revenue dashboard Stood up a Looker Studio dashboard reconciling Google, Meta and the brand’s booking system.”
100%+ revenue data recovered - published by Duga Digital
Google Analytics 4
Google's analytics platform, which Duga Digital treats as both a reporting tool and a source of data problems such as unexplained drops and misattributed conversions. It is one of the destinations that Duga's measurement stack sends data to, alongside Meta and Google Ads.
Relations
DEPENDS_ONGoogle Tag ManagerDEPENDS_ONBigQueryPART_OFGoogle Marketing PlatformPART_OFTracking health check
Evidence
“- The following are generated in a new GTM workspace – unpublished to allow QA before go live. - All GA4 tracking mirrored in server-side – current projects are seeing on average 36% more data. - Instantly a new GA4 property is setup to collect the new server-side data for comparison – all existing GA4 settings are mirrored – key events, currency, time zone etc.”
Auto-sGTM explained - published by Duga Digital
“But just a recap on some of the key updates with GA4: - The analytics schema for web & app aligns, resulting in consistent tracking across the 2 platforms. - Everything becomes an event. Page views, social, transactions and many others will go, so all events become equal allowing for greater customization to suit your organisations reporting requirements. As such, Google recommends you don’t simply copy over existing logic from UA to GA4, but implement a new logic that makes sense for your business needs.”
Ready for GA4? - published by Duga Digital
“Last week we attended the Google Analytics H1 roadmap webinar and came away with a clear picture of where things are heading. We cannot share the specifics (NDA firmly in place) but we can tell you what actually matters for your planning. Use this to steer your digital marketing roadmap for the rest of the year.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“We’ve had an extremely active and productive start to the year. Drum roll please! We’re delighted to announce we’re double certified on Google Marketing Platform products now with the addition of Google Tag Manager to Google Analytics.”
Exciting News: Double Certification Achieved! - published by Duga Digital
“+214% Your GA4 is lying to you, you just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. A structured diagnostic finds the breaks, we fix the tracking, and we prove the real incremental uplift with causal impact modelling.”
Specialist digital analytics, built for marketers - published by Duga Digital
Google Cloud Platform
Google's cloud platform, which can host server-side requests via Cloud Run. Duga specialises in helping businesses on it make the most of their Google Marketing Platform connectivity, and clients who do not want to run it themselves can use Addingwell instead.
Evidence
“Our specialism is enabling Google Cloud Platform-based businesses to thrive and utilise their Google Marketing Platform connectivity to levels they can’t reach themselves. Data enrichment, value-based bidding, profit-based reporting, margin-led decision making are the areas we engage in.”
Duga Digital – The Future - published by Duga Digital
“No, we partner with Addingwell (a leading server-side tagging provider) for clients who don’t want to run GCP (or are on Microsoft Azure or AWS as their cloud service provider). “Do we just run this once?””
Auto-sGTM explained - published by Duga Digital
“Our Solutions will become the enablers and the foundations of getting GMP and GCP (as examples) to work for clients. We are creating tools and processes to deliver large scale change and value to organisations.”
Duga Digital – The Future - published by Duga Digital
“Auto-sGTM is an automated delivery of connected tasks. You can see an example of this running here: The automated script will output: - sGTM container built in Google Tag Manager. - Addingwell or Cloud Run provisioned to manage the server requests we are about to embark on.”
Auto-sGTM explained - published by Duga Digital
Google Conversion Events Tag
An open-source server-side GTM tag template released by Stape that wraps the Data Manager API in a familiar GTM interface. Duga recommends it as the default starting point.
Relations
PRODUCED_BYStapeDEPENDS_ONData Manager APIPART_OFServer-side Google Tag Manager
Evidence
“Two things landed in quick succession Two recent moments have made Data Strength suddenly very tangible. Earlier this year, the team at Stape released the Google Conversion Events Tag for server-side GTM. It is an open-source, well-engineered template that wraps the Data Manager API in a familiar GTM UI – everything you would want from a server-side tag, polished and available from the template gallery. Stape has done the analytics community a real service by getting this out so quickly, and it is rightly the default starting point for anyone working with the Data Manager API.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“A complete solution, not just a tag The Stape tag is a brilliant tag. As a tag, it is comprehensive: well-engineered, well-documented and shipped under an open-source licence, with everything you would want for a server-to-server conversion upload. We deploy it with confidence and we recommend it without reservation.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
Google Marketing Platform
Google's suite of marketing and advertising products, including Google Tag Manager and Google Analytics, in which Duga is double certified. Duga helps clients connect it with Google Cloud Platform and use it at higher levels. SMEs still rely on it and are concerned about the cookie changes.
Relations
DEPENDS_ONGoogle Cloud Platform
Evidence
“We’ve had an extremely active and productive start to the year. Drum roll please! We’re delighted to announce we’re double certified on Google Marketing Platform products now with the addition of Google Tag Manager to Google Analytics.”
Exciting News: Double Certification Achieved! - published by Duga Digital
“Our specialism is enabling Google Cloud Platform-based businesses to thrive and utilise their Google Marketing Platform connectivity to levels they can’t reach themselves. Data enrichment, value-based bidding, profit-based reporting, margin-led decision making are the areas we engage in.”
Duga Digital – The Future - published by Duga Digital
“Gasp again. This sparked the same raft of the same questions. Lots of opinions have been offered from large agencies, and industry leaders but what does this mean for SMEs that still need to use Google Marketing Platform (GMP) for marketing and advertising with Google?”
What does Chrome 3p Cookie Deprecation reversal mean for the SME? - published by Duga Digital
“Our Solutions will become the enablers and the foundations of getting GMP and GCP (as examples) to work for clients. We are creating tools and processes to deliver large scale change and value to organisations.”
Duga Digital – The Future - published by Duga Digital
Google Marketing Platform Partner Program
Google's partner recognition, which Duga Digital has achieved for Analytics. The page presents it as validation from Google of Duga's work, and Duga is listed in the Google Marketing Platform Gallery.
Relations
RELATES_TODuga Digital
Evidence
“Our Google Marketing Platform Gallery listing – https://enterprisemarketingportal.google/auth/find-a-partner/dugadigital-gb Because we’re Google Marketing Platform Partners – for Analytics right now, but if you’ve learned anything about Duga Digital by now, it’s that we don’t rest.”
Duga are Google Marketing Platform Partners! - published by Duga Digital
“- CRO and A/B testing to optimise the best possible outcomes for our clients These are some of the areas we highlighted to partner with Google. This partnership is a great validation and recognition from Google of the work we’ve been doing in delivering”
Duga are Google Marketing Platform Partners! - published by Duga Digital
Google Tag
Google's tag (gtag) used to send data to Google destinations, including GA4, and which determines the session ID value. It is configured within a GA4 data stream with tag IDs and a destinations list. The publisher says its configuration is easy to do but hard to do well, and its network payload is inspected to read the gcs and gcd consent parameters.
Relations
PART_OFGoogle Tag ManagerDEPENDS_ONGoogle Analytics 4RELATES_TOGoogle Tag Manager
Evidence
“Here Dugans are sharing their collective thoughts on the recent change Google emailed the whole world about regarding the automatic firing of the Google Tag before floodlights and Google Ads tags. Upfront and clear: this is a good thing and you need this already.”
Automatic gtag – what does it mean for you? - published by Duga Digital
“Why did the session ID change, though? Deciding the session ID value is part of the Google Tag functionality. Two configuration choices have been highlighted as the cause of the issue. Issue number 1 First, the trigger configuration was inconsistent.”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
“But which is which and WHY? This can be confusing – understandable. Delving into the GA4 Data stream, we can click on the “Configure tag settings” option in the google tag section: OOh, look – interestingly, our Google tag has two IDs. Click it:”
Tag ID, Measurement ID, Destination ID - published by Duga Digital
“Google Tag configuration is easy to do, but hard to do really well. This means it’s surprisingly easy to break. This results in very common Unassigned in attribution reports, and (not set) landing pages and source / medium values.”
GTM Changes Highlights – May 2026 - published by Duga Digital
“This update, if accepted, will change the container behaviour to deploy, with your GTM container, the Google Tag. There are some configurations that will need to be done, but if you’re still in doubt after the explanations below, just let us know and we can go through them together. Once your container is eligible for the update, you’ll be prompted with this banner:”
GTM and Google Tag Update - published by Duga Digital
Google Tag Gateway
A Google feature that serves Google scripts from a first-party, same-origin path through a CDN such as Cloudflare. Duga Digital presents it as a core part of durable, privacy-centric data collection alongside server-side GTM, and has implemented it under Google funding to restore data stripped by ad blockers, for example for a fine jewellery brand.
Relations
PRODUCED_BYGoogleDEPENDS_ONCloudflareRELATES_TOFirst-party dataENABLESData StrengthCONFLICTS_WITHsGTM preview modeDEPENDS_ONCloudflare WorkerIMPROVESServer-side tagging (inferred)PREVENTSAd blockersRELATES_TOGoogle AdsPART_OFShopify measurement stack deploymentPART_OFMeasurement Recovery Implementation
Evidence
“We found the Google Tag Gateway setup using Cloudflare to be a straightforward process. /scripts Cool. So, now we serve Google scripts from first party, same origin, same site, etc etc. /dugadataftwbbq is our “/scripts” path.”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
“The good news is that the tools are catching up, and quickly. GTG and sGTM are non-negotiable, and here is why There is growing attention on first-party infrastructure, and rightly so. Google Tag Gateway and server-side Google Tag Manager together deliver robust data collection with privacy and efficiency built in. They satisfy the data strength requirement, and the case for adopting them has very little downside.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“Miss both, and you get silence. Enter Google Tag Gateway on Cloudflare In a Tag Gateway setup, the client does not talk to your sGTM subdomain directly. It talks to a path on your own domain (for example https://dugadigital.com/duganalytics/g/collect), and a Cloudflare Worker re-writes that request to your sGTM host (for example https://sgtm.dugadigital.com/g/collect).”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“We deployed Google Tag Gateway under Google’s own funding. Within 30 days, the brand was recovering more than 100% of its previous baseline revenue data, with the recovery holding into the second month.”
Specialist analytics for luxury and high-consideration retail - published by Duga Digital
“Case study · Luxury and high-consideration retail How a fine jewellery brand recovered 100%+ of its conversion revenue data. Google Tag Gateway under Google funding. 100%+ Recovered revenue data inside 30 days”
100%+ revenue data recovered - published by Duga Digital
Google Tag Gateway implementation
Duga Digital's implementation of Google Tag Gateway for clients, delivered under Google funding. Agencies can pass this revenue through to their clients without the cost barrier.
Relations
DEPENDS_ONGoogle Tag GatewayPART_OFAgency partnership services
Evidence
“- GA4 audits and attribution rebuilds. - Google Tag Gateway implementations under Google funding (revenue you can pass through to clients without the cost gate). - Data Manager API and offline-to-online conversion flows.”
For agencies - published by Duga Digital
Google Tag Manager
Google's tag management product, used by Duga Digital in client-side form and, mainly, in its server-side form (sGTM). It forms part of the full measurement stack alongside consent, server-side tracking and cookie restore, and the Perfect Shopify GTM container is built in it.
Relations
PART_OFGoogle Marketing PlatformPRODUCED_BYGooglePART_OFDuga 5-layer stackPART_OFTracking health checkPART_OFShopify measurement stack deployment
Evidence
“We’ve had an extremely active and productive start to the year. Drum roll please! We’re delighted to announce we’re double certified on Google Marketing Platform products now with the addition of Google Tag Manager to Google Analytics.”
Exciting News: Double Certification Achieved! - published by Duga Digital
“Summary When you publish changes to your Google Tag Manager (GTM) container, it is possible the changes are not instantly live. This post demonstrates two techniques that enable instant changes to GTM containers – 1 desirable, one to watch out for!”
Make INSTANT tag changes using sGTM - published by Duga Digital
“- Update the release notes Accepting the suggested fix in the GTM UI will degrade the container quality. The fix is added to the default workspace, not in a folder. Don’t accept the change at face value. Be a good citizen, add notes.”
Automatic gtag – what does it mean for you? - published by Duga Digital
“- Given the new focus on event based measurement, GTM is going to be key to set up and track events throughout your digital properties. - If you run multiple brands or businesses, how your GA instances are set up will change to align to their data streams architecture.”
Ready for GA4? - published by Duga Digital
“Google has informed the industry that we’re going to see some significant changes in Google Tag Manager and Google Tags this summer. In addition to what’s coming up in Google Marketing Live, here’s a little more colour to help you see the direction of travel.”
GTM Changes Highlights – May 2026 - published by Duga Digital
Google-funded analytics implementation
A done-for-you offering in which Duga Digital checks eligibility, submits on the advertiser's behalf, and scopes and delivers an implementation funded by Google, with up to USD 30K per project. Delivery usually takes 3 to 6 weeks and ends with a 30-day Google impact study.
Relations
RELATES_TOGoogle
Evidence
“funded analytics work Up to USD 30K per project. You give us 20 minutes. We tell you if you’re in. In 2026, there is funding direct implementations for eligible advertisers.”
Funding for analytics work - published by Duga Digital
“What we’re known for. - Rebuilding server-side measurement that survives ad blockers and consent. - Securing Google funding for eligible brands so the work pays for itself. - Causal impact and proper attribution work, not last-click theatre.”
About Duga - published by Duga Digital
“We hold the partner status that lets us submit on your behalf. There is no business case to write, no procurement gate to clear, and no invoice to you. How it works 4 steps. We handle 3 of them.”
Funding for analytics work - published by Duga Digital
“We deliver. Usually 3 to 6 weeks. You get cleaner data, better bidding, and a 30-day Google impact study on the result. What you actually get The work, in plain English.”
Funding for analytics work - published by Duga Digital
GTM Preview Mode
Google Tag Manager's debug mode, used to test container changes safely before publishing and to observe consent events. It shows dataLayer events, messages, Google events, gtag updates, Tag Settings and their evaluated values, with the destination UI now in the GTM tab. Updates add automatic event detection and User Provided Data, and extend preview mode to gtag-only sites.
Relations
PART_OFGoogle Tag Manager
Evidence
“Preview Mode FTW You’ll see a lot more detail and context in the preview mode panel. Access to the automatic event detection and User Provided Data (UPD) capabilities during debug will go a long way to clarifying what data is collected, when, and by what:”
GTM Changes Highlights – May 2026 - published by Duga Digital
“Preview Mode Our good old friend Preview Mode also got a massive update. Let’s go through everything: First, the destination UI is now inbuilt in the GTM tab. Every dataLayer event, message, Google event or gtag update are all in the same tab.”
GTM and Google Tag Update - published by Duga Digital
“Now you can implement the script changes, and activate Preview Mode in GTM to safely test the GTM changes. Load the homepage of the site. Do not click on the consent banner. In the tag assistant page, event 1 will be Consent Default. The Consent status will be reported as:”
Testing Consent Mode SAFELY - published by Duga Digital
“Although this may look confusing at first glance, it makes debugging A LOT easier. We can now easily follow the order of events that were triggered by a tag in GTM without having to flicker to multiple tabs trying to find when they fired. For instance, we can see our Destination Tags firing on 2, the resulting Config on 3 and Google Ads hits on 4, which were deferred due to consent, but were sent properly on 8:”
GTM and Google Tag Update - published by Duga Digital
“In addition to this update, the Preview Mode also displays the Tag Settings in its UI now. On Summary, as we’ve seen above, we can see all the Tag Settings, but on the individual events we can see them being evaluated and their values:”
GTM and Google Tag Update - published by Duga Digital
Hermes
A tag template that supports sending data from server-side GTM to Pub/Sub. The page demonstrates its use cases and points readers to the Hermes repo for setup, which needs some Google Cloud experience.
Relations
DEPENDS_ONServer-side Google Tag ManagerDEPENDS_ONPub/Sub
Evidence
“Summary I’ve written previously about integrating sGTM with Pub/Sub – there’s a no-code solution, and a Cloud Function based solution. This article covers a demonstration of the breadth of use cases for Hermes (messenger God of Greek mythology) – a tag template that supports sending data from sGTM to Pub/Sub.”
Server to Server with sGTM - published by Duga Digital
“Setup In short – very simple. Head to the Hermes repo and follow the instructions. Tackling the prerequisites is probably the hardest part – some Google Cloud experience/expertise required. Use cases”
Server to Server with sGTM - published by Duga Digital
“Potential data set integrations that deliver value are ideal starting points. Start using Hermes, and sGTM, and let me know what use cases you find.”
Server to Server with sGTM - published by Duga Digital
Idempotency in data pipelines
A design pattern that ensures an event-driven workload performs its side effects at most once per logical event, even when delivery is only guaranteed at least once. It depends on choosing the identifier that defines the same logical event, with consumers keying on the delivery id and producers on the business event. One implementation keeps a claim record per event in Firestore, keyed by a stable idempotency key, and runs a state machine (in_progress, completed, failed) in a transaction so only one concurrent delivery does the work.
Relations
DEPENDS_ONFirestore
Evidence
“Idempotency in data pipelines The goal is to guarantee that an event-driven workload (Cloud Run Function or custom tag) performs its side effects at most once per logical event, even though the delivery substrate (Pub/Sub, GTM events) only guarantees at-least-once delivery and may invoke the function multiple times for the same message.”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“The idempotency key: the one decision that matters The key defines what “the same logical event” means. Choosing it wrong silently defeats the entire pattern. The correct source depends on which side of the queue you are on:”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“Solution For the Cloud Run Function, we’ve used Firestore to maintain a record of logical events. But a non-atomic read-check-act solution isn’t robust. This doesn’t solve the race. More appropriately, we maintain a claim record per logical event in Firestore, keyed by a stable idempotency key.”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“The handler runs a small state machine over that record: Failed claim record: Success claim record: There are two critical load-bearing ideas in play here: The claim is a Firestore transaction, not a plain read followed by a write.”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“Consumer side: key on the delivery id A Pub/Sub message carries a server-assigned messageId that is stable across redeliveries of that message. For a consumer, that is exactly the right key: “process this delivered message at most once”. We typically use pubsub_message[“messageId”] as the Firestore document ID.”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
Incrementality
The real uplift in outcomes such as revenue that marketing causes, as opposed to credit assigned by an attribution model. Duga measures it through incrementality studies and through regional A/B tests that calibrate marketing mix modelling (MMM) and correct its bias, with results fed back into the model.
Relations
ENABLESMarketing Mix Modelling
Evidence
“- Incrementality Testing Regional A/B tests layered on top to calibrate and correct MMM bias. The key insight wasn’t the tooling – it was the loop. MMM gives direction. Incrementality grounds it in reality.”
Superweek 2026 – Day Two - published by Duga Digital
“Not data-driven attribution. Actual lift. +214% revenue uplift, luxury ecommerce +37%”
Attribution - published by Duga Digital
“measurement stack, consent-clean and ad-platform ready Proven incrementality study, CFO-ready and defensible”
Attribution - published by Duga Digital
“Feed those results back into the model and suddenly planning becomes far less speculative. Seasonality, lag, and carryover effects all matter. Spend windows and effect windows are rarely aligned, especially around moments like BFCM. Strategy lives in those gaps.”
Superweek 2026 – Day Two - published by Duga Digital
Initiator event parameter
A custom event parameter added to GTM tags, and as a server-side value, to show which system generated a GA4 event and which GTM version was used. It lets you distinguish your own tags from enhanced measurement events and separate old data from new.
Relations
PART_OFGoogle Analytics 4IMPROVESEnhanced Measurement (inferred)
Evidence
“So how can you see the source of the GA4 event? The solution is simple enough. You could use a naming convention but that lacks version information. For the solution to be robust and complete, add an event parameter to your tag like so:”
Make INSTANT tag changes using sGTM - published by Duga Digital
“Then you see events with the initiator payload – they’re your tags, enhanced measurement doesn’t get its hands on your tag settings: On the server side, we add a server side initiator value: The case for custom events configured in GA4 requires another approach. The custom event is still very much based on the original event so it will include our new initiator parameter. When setting up the custom event, you can further modify the event parameters but it is limited.”
Make INSTANT tag changes using sGTM - published by Duga Digital
“Now you can see what system is responsible for generating the data, and which version of GTM was used – great for filtering old data from new. One more thing – don’t have nightmares When you change settings in GA4 around enhanced measurement, and modified/created events, they’re applied really quickly.”
Make INSTANT tag changes using sGTM - published by Duga Digital
Intelligent Tracking Prevention
Browser tracking restrictions (ITP), named alongside ad blockers and consent banners as a cause of lost conversion signal and hidden revenue from media spend. The publisher presents first-party tagging as a way to counter it.
Relations
LEADS_TOSignal loss (inferred)
Evidence
“The challenge What wasn’t working A high-end fine jewellery brand was losing more than half of its conversion signal to ad blockers and ITP, despite running a Google-funded ad stack at scale. The paid team could see the spend going out and the customers walking in, but couldn’t connect the two.”
100%+ revenue data recovered - published by Duga Digital
“First party tagging A first-party lightweight server layer that puts your Google tags on your own domain. Ad blockers and ITP stop stripping signal. Conversion data lands cleanly. Bid quality improves the same week.”
Funding for analytics work - published by Duga Digital
“The revenue Google and Meta can’t see. Ad blockers, ITP and consent banners now hide a third or more of what your media is actually driving. When the platforms can’t see a sale, they can’t bid towards it. Enter four numbers for a directional read on what that is costing you.”
Signal loss calculator - published by Duga Digital
“It assumes roughly 12% additional signal loss from browser restrictions and ad-blockers on top of your consent rate, and that server-side tracking plus a clean signal recovers around 55% of what is lost. Real figures depend on your stack, market and setup.”
Signal loss calculator - published by Duga Digital
Key performance indicator
A measure a business uses to define success, set by asking what it is trying to achieve and how it will know it has achieved it. A good KPI is an efficiency measure such as leads per £1,000, and top-level KPIs can be shown on a dashboard and broken down over time or by dimension.
Relations
RELATES_TOSuperweek 2026
Evidence
“Start With the KPI, Not the Dashboard Tim Wilson – Doing KPIs Right Tim opened with something that should be obvious but rarely is: most analytics programs are built on poorly defined KPIs. He reframed data usage into three buckets:”
Superweek 2026 – Day Three - published by Duga Digital
“The discipline here is to decide what your business actually measures success by, and make those four metrics the ones on your dashboard. If you can’t articulate your KPIs in four numbers, that’s a separate conversation worth having before you touch GA4.”
Is Your GA4 Reports Snapshot Actually Telling You What You Need to Know? - published by Duga Digital
“This can be accompanied with other top-level metrics (or key KPIs), which will set the scene nicely for what’s to follow. Next you’ll want to introduce some filters or breakdowns to these KPIs. How are these broken down over time, or how do these look when applying specific dimension filters to them? You’re now starting to begin leading the stakeholder down your own train of thought as an analyst – as a storyteller – as you’re setting the scene and invoking their intrigue.”
Storytelling in visualisation - published by Duga Digital
“- How will we know if we’ve achieved it? Simple. Rarely answered properly. Tim dismantled the classic “we expected 8,500 leads” nonsense. That’s not a KPI.”
Superweek 2026 – Day Three - published by Duga Digital
“Alignment is more important than accuracy. In other words, a slightly imperfect target that everyone believes in beats a perfect metric nobody understands. If you don’t know what your KPI target should be, you probably don’t understand the commercial plan.”
Superweek 2026 – Day Three - published by Duga Digital
Last-click attribution
An attribution approach that credits the final click before a conversion. Duga contrasts it with causal impact measurement of real uplift.
Evidence
“Your GA4 is lying to you. You just can’t prove it. After the UA-to-GA4 migration, direct traffic ate the credit and your real channels look flat. We rebuild the measurement, find the lost signal, and prove the real incremental uplift with causal impact modelling. Not last-click.”
Attribution - published by Duga Digital
Looker Studio
Google's dashboarding and reporting tool, used by the publisher to build dashboards that reconcile or compare data sources. Examples include client-side against server-side data, Shopify, GA4 and Meta, and Google, Meta and booking system data in a finance-grade view.
Evidence
“- Google Ads Conversions tags in server-side. - Google Ads Remarketing tags in server-side. - Google Conversion Linker tags in server-side. - Google Floodlight tags in server-side. - A final automated Looker Studio dashboard created for side-by-side visual comparison of client-side and server-side.”
Auto-sGTM explained - published by Duga Digital
“05 Offline conversion pipeline Wired bespoke high-touch sales paths (including in-person consultations) back into Google Ads as offline conversions. 06 Finance-grade revenue dashboard Stood up a Looker Studio dashboard reconciling Google, Meta and the brand’s booking system.”
100%+ revenue data recovered - published by Duga Digital
“06 Three-source reconciliation dashboard Built a Looker Studio dashboard showing Shopify, GA4 and Meta side by side so the weekly meeting could focus on decisions, not data. The result The outcomes 3.6% → 30%”
From 3.6% to 30% revenue match - published by Duga Digital
Managed sGTM migration service
Duga Digital's managed service that helps clients move to server-side Google Tag Manager.
Relations
DEPENDS_ONServer-side Google Tag Manager
Evidence
“But what if you used sGTM (server-side Google Tag Manager – which we have a managed service to help move to) with Device Identification GA4 data collection – what does the data look like then? That’s a pretty healthy difference – an extra 8.3% users and an extra 9.4% events collected – much more accurate and a good return.”
Demonstrated 74% uplift in GA4 data collection and 60% in audience sizes - published by Duga Digital
Marketing Analytics Summit
A two-day marketing analytics conference held in London on 24 and 25 October. Duga attended and presented there, with a talk on server-side data collection with no code.
Evidence
“Duga had the privilege of attending the Marketing Analytics Summit in London last week (October 24-25). Our Director of Analytics, Doug, joined a stellar lineup of speakers as part of two packed days of content and networking.”
Marketing Analytics Summit ’24 - published by Duga Digital
“Also, I’ll be talking about this very subject (no code!) at the Marketing Analytics Summit in London on October 24/25. Come and talk to me, ask questions, find out how DugaDigital and our partners can support you.”
Data Enrichment using sGTM - published by Duga Digital
“Huge thanks again to the whole MAS team, and of course, to Jim Sterne – a legend.”
Marketing Analytics Summit ’24 - published by Duga Digital
Marketing Mix Modelling
A single statistical model across all channels, using historical investment and sales data to understand each channel's influence. Duga describes it as valuable but slow and strategic, giving direction for planning and calibrated by incrementality testing in the Cassandra approach.
Relations
PART_OFSuperweek 2026DEPENDS_ONIncrementality
Evidence
“Gabriele reframed the problem. Strategy and planning don’t come from conversion tracking. They come from incrementality. The Cassandra approach: - Marketing Mix Modelling (MMM)”
Superweek 2026 – Day Two - published by Duga Digital
“Not as a reporter. Not as a technician. As a coach. MMM is slow. Weeks and months.”
Superweek 2026 – Day Five - published by Duga Digital
“One statistical model across all channels, regardless of funnel stage, using historical investment and sales data to understand influence. - Simulation and Forecasting Budget allocators embedded directly in the model to simulate revenue outcomes.”
Superweek 2026 – Day Two - published by Duga Digital
“- Incrementality Testing Regional A/B tests layered on top to calibrate and correct MMM bias. The key insight wasn’t the tooling – it was the loop. MMM gives direction. Incrementality grounds it in reality.”
Superweek 2026 – Day Two - published by Duga Digital
“Valuable, but strategic. But marketing teams need “matchday attribution” — hours, not weeks. His framework: A “play” consists of: - Business goal”
Superweek 2026 – Day Five - published by Duga Digital
Measurement ID
The identifier used by GA4 tags and events, acting as both the unique identifier of a GA4 data stream and the destination ID that routes collected data to the correct property. Duga notes its use is harder than it should be, as multiple measurement IDs are not supported, and recommends a genuine ID from an owned property as a routing key rather than a placeholder such as G-12345.
Relations
PART_OFGoogle Analytics 4RELATES_TOGoogle Tag
Evidence
“Confirmed: TWO TAG IDS. Below this, you’ll see “Destinations”: Notice the Destination ID is the Stream Measurement ID. The Measurement ID acts as both the unique identifier for the data stream and the destination ID ensuring data collected by the tag is routed to the correct GA4 property.”
Tag ID, Measurement ID, Destination ID - published by Duga Digital
“Measurement ID is the right lever but G-12345 is the wrong value The typical accepted measurement ID today is G-12345. Using measurement ID with a genuine value has advantages over another lever, or a place holder value. Setting a measurement ID is part of the client side setup. Different events will be used for different destinations and activations.”
Measurement-ID-Aware Client Routing in Server-Side GTM - published by Duga Digital
“Name the tag according to your convention. Maintain the high container quality. Why isn’t this functionality native? Measurement ID usage is harder than it needs to be. Multiple measurement IDs are still not supported.”
Automatic gtag – what does it mean for you? - published by Duga Digital
“The gtag has a Tag ID. Here’s a GA4 Event: The GA4 tag has a Measurement ID. A GA4 data stream has a Measurement ID, And they appear to be the same value: But a Tag ID can be different to a measurement ID, and you can’t use a Tag ID in a GA4 Event, you have to use a measurement ID.”
Tag ID, Measurement ID, Destination ID - published by Duga Digital
“- Placeholders survive. A test ID in an allow-list at the highest priority in the container is the kind of thing that gets published and then forgotten. Recommendation: replace G-12345 with a real measurement ID from a real GA4 property that you own and that is deliberately designated for this route, either a dedicated test or staging property, or the genuine second-destination property this pattern is ultimately for.”
Measurement-ID-Aware Client Routing in Server-Side GTM - published by Duga Digital
Measurement Protocol
Google Analytics' existing method for sending events server-side. Google positions the Data Manager API as an alternative to it, and Duga describes it as fragile.
Evidence
“- Google Analytics event ingestion has been broadened to cover both web and app data streams. You can now “send any event to both your Google Analytics web and app data streams, provided they’re not reserved events.” Google positions the Data Manager API as “an alternative to Measurement Protocol for sending recommended and custom events directly to Google Analytics.” The unified schema covers app instance ID, event location and mobile device information, with routing determined by your Firebase App ID or Measurement ID.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“No Measurement Protocol fragility. No fleet of offline jobs to babysit. What this gets you Three things, all measurable. - More signal.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
Measurement Recovery Implementation
The Recover stage, a full implementation covering GTG, server-side GTM, consent, ad-platform reconnection and data quality recovery. It includes full handover, knowledge transfer and documentation, and is often delivered under Google funding where the client is eligible.
Relations
PRECEDESOngoing Measurement Partnership
Evidence
“Fix what’s leaking. The full implementation: GTG + server-side GTM, consent, ad-platform reconnection, data quality recovered. Full handover, complete knowledge transfer, documented. Often under Google funding when you’re eligible.”
How Duga works - published by Duga Digital
Measurement Stack Audit
The Diagnose stage, in which Duga audits a client's measurement stack. The client receives a written report and a prioritised plan covering what is broken, what it costs and what to do, whether or not they work with Duga.
Relations
PRECEDESMeasurement Recovery Implementation
Evidence
“We audit your measurement stack. We tell you what’s broken, what it’s costing you, and what to do about it. You leave with a written report and a prioritised plan, whether you work with us or not. Recover”
How Duga works - published by Duga Digital
“How we work No procurement-cycle theatre. Straight answers, reliable, transparent, direct, effective. Diagnose Find the leaks.”
How Duga works - published by Duga Digital
Measurement-ID-Aware Client Routing
A server-side GTM pattern in which a custom client claims incoming requests based on the GA4 measurement ID, so the ID acts as a routing key. The client that claims a request determines which tags fire, which destinations receive data and what enrichment or redaction applies.
Relations
DEPENDS_ONServer-side Google Tag ManagerDEPENDS_ONMeasurement ID
Evidence
“Therefore, triggering tags, and transformations based on the client name is not ideal. Solution The pattern being built here replaces that with a custom client that claims requests based on the measurement ID sent by the client side GA4 tag.”
Measurement-ID-Aware Client Routing in Server-Side GTM - published by Duga Digital
“Because a claimed request is stamped with the name of the client that claimed it, and because triggers can filter on Client Name, the measurement ID effectively becomes a routing key. One stream of client-side collection arrives at the server; which tags fire, which destinations receive data, and what enrichment or redaction is applied are all decided by which client won the claim.”
Measurement-ID-Aware Client Routing in Server-Side GTM - published by Duga Digital
“Why this matters: the real applications Once measurement ID is a routing key, several things become possible that are awkward or impossible with a single stock client. Destination control and divergence. Genuine client-side collection can be diverted to different destinations per measurement ID. One site, one gtag deployment, but hits tagged with different IDs land in different GA4 properties, different ad platforms, or different warehouses, decided server-side and changeable without a site release.”
Measurement-ID-Aware Client Routing in Server-Side GTM - published by Duga Digital
Meta Conversions API
Meta's server-side conversions interface, also called Facebook CAPI. It is one of the tag types handled in a server-side migration, alongside LinkedIn and TikTok tags.
Evidence
“What does it do exactly? This is a more detailed description of what happens in an automated server-side migration. A typical migration will handle GA4 tags, Google Ads, Conversion Linker setup, best practice housekeeping, cleaning up a container, Facebook CAPI, LinkedIn, TikTok tags, triggers, variables, user defined, and enabling/disabling built in variables – it does the lot.”
Duga Does Server-Side Part 1 - published by Duga Digital
“Where the client-side variables don’t exist on the server side, we have to create them: And that’s a tag migrated. Now we’ll do a Meta tag. Each time we migrate an asset, we have to make sure our assets are up to date. Then we find we’ve got a GA4 equivalent ready to use client side.”
Duga Does Server-Side Part 1 - published by Duga Digital
Offline conversion tracking
The practice of sending revenue events that happen outside the browser, such as in a CRM, point of sale or CDP, or boutique visits and consultations, back to ad platforms with proper attribution. It lets platforms like Google Ads optimise bidding on real sales rather than form fills. It requires Click ID capture, defined and timestamped events and a consented data flow, for example via Data Manager API, server-side GTM and Firestore.
Relations
DEPENDS_ONData Manager APICOVERSEnhanced conversionsDEPENDS_ONGoogle Analytics 4DEPENDS_ONFirestoreDEPENDS_ONServer-side Google Tag Manager
Evidence
“That is the engagement. We translate the commercial problem into a technical specification, and then we build the thing that connects the two. In the case of offline conversion tracking via the Data Manager API, that specification typically involves several moving parts. The CRM needs to be instrumented to gather Google Click IDs at the point of enquiry. The conversion events, the actual revenue moments, need to be defined and timestamped.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“One of our clients was sending offline purchase events to GA via MP. This works to some extent, but this means that GA has two issues: 1 – GA contains all online and offline purchases now, even if the offline client never visited the website, and 2 – The offline purchases were always attributed to Direct. DM API allows to solve both of these problems. Here are the steps to do it.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“- The challenge of user identity without a clean key - Legal and ethical questions around PII at point of sale A key takeaway: offline-to-online attribution isn’t just a technical problem. It’s a governance, consent and value-exchange problem.”
Superweek 2026 – Day One - published by Duga Digital
“Server-side rebuild with luxury-grade consent First-party data preserved, ad-platform signal restored, GDPR-clean. Boutique and private-appointment signal Offline conversions, including video consultations and high-touch sales paths, fed back to media in real time.”
Specialist analytics for luxury and high-consideration retail - published by Duga Digital
“between first click and forecourt visit Zero automotive brands we have ever audited had a fully working online-to-offline match What we build for automotive. Click to forecourt match”
Specialist analytics for automotive marketing - published by Duga Digital
Offline purchase attribution architecture
A four-step process for attributing offline purchases: collect session attribution at consent, collect user-provided data during lead generation, reconcile the offline sale against stored Firestore records, and deliver one consented event to every destination. It addresses GA containing offline purchases from non-visitors and purchases that lack their original attribution.
Relations
DEPENDS_ONData Manager APIDEPENDS_ONFirestoreINSTANCE_OFOffline conversion tracking
Evidence
“One of our clients was sending offline purchase events to GA via MP. This works to some extent, but this means that GA has two issues: 1 – GA contains all online and offline purchases now, even if the offline client never visited the website, and 2 – The offline purchases were always attributed to Direct. DM API allows to solve both of these problems. Here are the steps to do it.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“1 – Collect Session Attribution When the user makes a consent selection, their session attributes are sent to the server-side container and stored in a Firestore record. We collect parameters like client ID, session start time, landing page and referrer, user agent, campaign identifiers (gclid, gbraid, wbraid, UTMs) and, very importantly, the Google consent state at that moment.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“The sale is sent from the back-end (point of sale, CRM, CDP, whatever the source is) to the server-side container. It contains the usual ecommerce data, and the UPD the user had previously shared. Our bespoke variable looks up that hashed email in Firestore, finds the record from step 2.5, and creates a DM API payload with the data from the event and the data stored in Firestore.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
Ongoing Measurement Partnership
The Scale stage, a continuing partnership for brands that need data engineering, analytics, attribution and platform work as a standing capability. Duga works alongside the client's media team and CFO.
Relations
SUITED_FORAttribution (inferred)
Evidence
“Scale Stay clean as you grow. An ongoing measurement partnership for brands that need data engineering, analytics, attribution, and platform work as a standing capability. We run alongside your media team and your CFO, not behind them.”
How Duga works - published by Duga Digital
Pandectes
A consent app on Shopify. In a proof point, a client was migrated from Pandectes to Didomi.
Relations
INSTANCE_OFConsent management
Evidence
“The Shopify stack Proof 30% -> 3.6% revenue gap closed Pandectes -> Didomi”
Shopify Analytics - published by Duga Digital
Perfect Shopify GTM container
A Google Tag Manager container for Shopify that Duga Digital has built, tested and made ready to deploy.
Relations
INSTANCE_OFGoogle Tag ManagerPART_OFShopify analytics stack
Evidence
“- Our Perfect Shopify GTM container is built, tested, and ready to deploy Shopify store worth more than £5m a year? Talk to us. We’ll tell you what your current stack is missing.”
Shopify Analytics - published by Duga Digital
Piwik PRO
An analytics vendor and Duga Digital partner, named as a key ingredient in its server side data collection solutions. It runs Piwik PRO Day and a Partnership programme, where Duga presented at the inaugural event. Its tag templates are easy to modify and its CDP can build audiences from lifetime value metrics.
Evidence
“Consider using another vendor for pure revenue based data collection – use the Piwik Pro CDP for audience generation based on lifetime value metrics. Use the GMP services for campaign optimisation, and combine the two for refine audience targeting. Each platform has clear data uses and activation workloads”
Server side integrated Ecommerce and Analytics - published by Duga Digital
“We’re fully committed to server side data collection. It’s used on this site, and we recommend our clients use it. Our partners (Addingwell, and Piwik Pro for example) are key ingredients in these great solutions.”
Data Enrichment using sGTM - published by Duga Digital
“The art of the partnership was presented by Dan and Doug today. We were delighted to be part of the excellent line up on the inaugural Piwik PRO Day. We’re happy to share our slides below to share our point of view on being the best partner, what to expect from a great partner, how to spot a toxic partner, how to be the best partner and how awesome the Piwik PRO Partnership programme is:”
Piwik PRO Day 2024 - published by Duga Digital
“Retaining revenue data to feed lifetime value metrics is a valid reason to have both profit, and revenue based instrumentation. #4 Partner measurement The ecom/analytics integration is done server side in a variable that’s easily consumed by other tags beyond GA4. We’ve seen how other analytics vendors such as Piwik Pro have tag templates that support straightforward modification.”
Server side integrated Ecommerce and Analytics - published by Duga Digital
Pre-production tagging validation harness
Duga's approach of running the real production site through a controlled test harness that loads a test tagging configuration. Data goes to an isolated sandbox tagging server and a throwaway analytics property, and a genuine conversion journey is followed end to end without touching production.
Relations
PART_OFServer-side tagging implementationDEPENDS_ONServer-side taggingRELATES_TOGoogle Analytics 4
Evidence
“Put plainly: test the real journey, prove the attribution holds end to end, and leave production completely untouched. The Duga approach This is the gap we close. We run the real production site through a controlled test harness that loads our test tagging configuration instead of the site’s live one, routes the resulting data to an isolated sandbox tagging server and a throwaway analytics property, and then follows a genuine conversion journey from first visit through to subscription or purchase.”
How to prove a server-side GTM and GA4 setup before it ever touches production - published by Duga Digital
“Crucially, the test configuration sits on a first-party footing, so cookies, attribution and the server-side data flow behave precisely as they would in production. We can watch the whole chain in real time: the container loading, the events firing, the cookies being set correctly, and the conversion arriving with its attribution intact. Nothing we do alters the production tags, the production data or the site’s infrastructure. Every change lives in a controlled environment we own and tear down afterwards.”
How to prove a server-side GTM and GA4 setup before it ever touches production - published by Duga Digital
“The result is a faithful dress rehearsal. We get to break things, fix them and prove them in a place where breakage costs nothing, so that when the configuration finally ships to production it is already known-good.”
How to prove a server-side GTM and GA4 setup before it ever touches production - published by Duga Digital
Preview Mode filtering
An approach for keeping preview and debug traffic out of production reporting. Events from containers in preview mode are tagged with traffic_type = dev and excluded with an internal traffic data filter, with client-side and server-side variants. A trickier variant handles cases where either the server or client container may be in preview mode, using a server-side GTM transformation activated by chained Lookup variables.
Relations
DEPENDS_ONGoogle Tag ManagerPART_OFGoogle Analytics 4
Evidence
“Client side first. Client Side Preview Mode Filtering - Click Create - Set the parameter to container_version. - You’ll need to send container_id and container_version as event parameters.”
Filtering GA like a boss - published by Duga Digital
“We recommend doing this using the GA Event Settings variable - Set the operator to equals QUICK_PREVIEW. - Modify the parameter by setting traffic_type = dev for all matching events. - Click Save. In the last step, Create a data filter (internal traffic type) where you exclude all traffic meeting traffic_type = dev.”
Filtering GA like a boss - published by Duga Digital
“So we use a Server side GTM transformation to recognise when either container is in preview mode. This requires the client side container version to be present as an Event Data variable. Use the event settings variable to apply the event parameters consistently as mentioned above.”
Filtering GA like a boss - published by Duga Digital
“- Duplicate the transformation (not a fan) - Write a variable using a custom variable template (don’t like or can’t maintain JS?) - Chain Lookups I chose to chain a pair of Lookup variables: If the server side container is in preview mode, return True to activate the transformation:”
Filtering GA like a boss - published by Duga Digital
“Setting the Data Filter to test mode or it will begin to filter the data out… Server Side Preview Mode Filtering This is trickier than client side as the server container or the client side container can be in preview mode…”
Filtering GA like a boss - published by Duga Digital
Privacy by design
The principle of building privacy into data collection from the outset. Duga applies it to collecting site search data so that PII is not ingested into GA4.
Evidence
“Google recommends avoiding sending PII to GA4 when collecting Analytics data. With privacy in mind, and at the forefront of data collection best practices. this is common sense — privacy first, and privacy by design.”
DON’T collect PII with onsite search DO collect onsite search data responsibly - published by Duga Digital
“Here’s a privacy by design approach to collecting site search data without the risk of having your GA4 property deleted. GA4 Configuration Admin -> Data Streams -> Data Stream -> Redact Data: To start with, we might choose to turn on the obvious “don’t ingest email addresses” option:”
DON’T collect PII with onsite search DO collect onsite search data responsibly - published by Duga Digital
Profit-based reporting and optimisation
Using profit data instead of, or alongside, revenue in analytics reporting and Google Ads conversion values. Duga sets out four options: full replacement, custom metrics, parallel measurement and partner measurement.
Evidence
“With Google Ads, the choice to send the profit metric as a conversion value is straightforward but with analytics, there are options. #1 Full Replacement You can fully replace revenue with profit, and item values with cost of goods data Replace shipping with margin and adjust your tax field accordingly. Your analytics and Google Ads conversion value data is now profit-centric. Goals with values feeding Google Ads optimisations are consistent with ecommerce metrics.”
Server side integrated Ecommerce and Analytics - published by Duga Digital
“Strategies for using revenue and profit data in ecommerce reporting, and Google Ads optimisations. You might recall an earlier post where I demonstrated a potential automation for populating Firestore with data from BigQuery. That demo used the data in Value Based Bidding in a Google Ads Conversion tag.”
Server side integrated Ecommerce and Analytics - published by Duga Digital
Pub/Sub
Google Cloud's messaging service, used to exchange messages between servers, integrate sGTM with other systems and power automation, retries and fault tolerance. It receives messages pushed by Eventarc triggers and in turn triggers Cloud Run functions. It guarantees at-least-once delivery, so messages may be redelivered and handlers must cope with duplicates.
Evidence
“No data set value is maximised if it remains in isolation. You can integrate your data sets by a method of message exchange between servers. And a great way to tackle inter-server communication is with Pub/Sub. This is highly performant and scalable. Let’s explore.”
Server to Server with sGTM - published by Duga Digital
“In simple terms, doing something once, and only once, reliably, requires a little effort. Thinking about Cloud Run Functions initially, we use these a lot. We trigger them using Pub/Sub events. Pub/Sub, like most durable messaging systems, guarantees at-least-once delivery, not exactly-once. A single published message can be delivered to its subscriber more than once because of:”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
“I’d much rather analyze this in BigQuery itself. This “itch” was the perfect excuse to build a proper tracking system. From Slack Noise to BQ Gold We already had the foundation in place. Our system uses Event Arc triggers to push messages to Pub/Sub, which in turn trigger Cloud Run Functions to handle our BQ workloads and send those handy webhook messages to Slack.”
When the drop hits - published by Duga Digital
“The completion (success or failure), of the container publication is recorded in Pub/Sub. Consider how automation reporting, retries, and fault tolerance is powered by the message bus. Indeed, even the Cloud Function used to update sGTM via the Admin API is triggered by a CSV file landing in Cloud Storage. Automation is powered by effective messaging so sGTM and Pub/Sub integrations open up an even wider range of use cases.”
Server to Server with sGTM - published by Duga Digital
“- Ack-deadline expiry. The subscriber takes longer than the ack deadline; Pub/Sub assumes failure and redelivers while the original invocation is still running. - Retries on non-2xx. A push subscription redelivers whenever the endpoint returns a non-2xx status or times out, including cases where the work succeeded but the ack response was lost.”
Understanding Idempotency in Data Pipelines with Firestore - published by Duga Digital
Revenue match rate
The degree to which revenue reported in Shopify, GA4 and Meta agrees across the three sources. In the case study it rose from 3.6% to 30%, with day-to-day variance falling to 3%.
Evidence
“Case study · Shopify and ecommerce How a performance events business closed the gap from 3.6% to 30% revenue match. A full Shopify stack rebuild from consent layer up. 3.6% → 30% Revenue match rate across Shopify, GA4 and Meta”
From 3.6% to 30% revenue match - published by Duga Digital
“Accurate revenue match rate across all three reporting sources 3% Day-to-day variance between Shopify, GA4 and Meta after the rebuild 30 days From kickoff to the three sources reconciling within tolerance”
From 3.6% to 30% revenue match - published by Duga Digital
ROAS
Return on ad spend, a measure of advertising return. Duga discusses it as declining even when everything is tracked, because platforms receive blunt signals such as transactions and revenue, and cites the Asos example where Enhanced Conversions lifted sales.
Evidence
“Gunnar closed the day by tackling why ROAS keeps declining even when “everything is tracked”. Most organisations still feed platforms blunt signals: transactions and revenue. Algorithms optimise exactly what they’re given – often to everyone’s surprise.”
Superweek 2026 – Day One - published by Duga Digital
“Benefits There are many success stories from implementing Enhanced Conversions (Google’s name for sending UPD to Google Ads). One of Google’s clients in Asos experienced improved return on ad spend (ROAS) with a recorded sales uplift of 8.6% in Search and 31% in YouTube. Improvements like these can be seen on the Conversions diagnosis in Google Ads, where you can start analysing its effect:”
User Provided Data for Google Platforms - published by Duga Digital
Server-side Google Tag Manager
Google Tag Manager running server-side (sGTM), typically as a proxy between the browser and vendors such as Google, Meta, Pinterest and TikTok. Duga uses it for server to server communication and for enriching or joining data with other data sets at the point of collection. It has a preview mode for debugging requests.
Relations
INSTANCE_OFServer-side taggingENABLESData enrichmentPART_OFGoogle Tag ManagerDEPENDS_ONAddingwellINSTANCE_OFGoogle Tag ManagerENABLESData StrengthIMPROVESGoogle Analytics 4 (inferred)RELATES_TOGoogle Tag ManagerDEPENDS_ONCloud RunPRODUCED_BYGooglePREVENTSAd blockersPART_OFData Manager API implementationPART_OFShopify measurement stack deploymentPART_OFMeasurement Recovery Implementation
Evidence
“You can avoid caching and stale versions by using server-side Google Tag Manager – sGTM – with some caveats and watch outs! sGTM is live now When you publish a change to your sGTM container, it’s live. Not cached by a browser and even if the “Johnny-come-lately” with the old page in their browser comes along, the tag request sent to the server side container will hit the latest version.”
Make INSTANT tag changes using sGTM - published by Duga Digital
“However, you certainly can use Server Side Google Tag Manager (sGTM) for server to server communication. There’s a lot to be said in favour of breaking data silos by integrating analytics data with other data sets at the point of collection.”
Server to Server with sGTM - published by Duga Digital
“The good news is that the tools are catching up, and quickly. GTG and sGTM are non-negotiable, and here is why There is growing attention on first-party infrastructure, and rightly so. Google Tag Gateway and server-side Google Tag Manager together deliver robust data collection with privacy and efficiency built in. They satisfy the data strength requirement, and the case for adopting them has very little downside.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“But what if you used sGTM (server-side Google Tag Manager – which we have a managed service to help move to) with Device Identification GA4 data collection – what does the data look like then? That’s a pretty healthy difference – an extra 8.3% users and an extra 9.4% events collected – much more accurate and a good return.”
Demonstrated 74% uplift in GA4 data collection and 60% in audience sizes - published by Duga Digital
“Server-side Google Tag Manager (sGTM) solves a lot of data collection challenges, but it also creates a new blind spot: once a tag runs inside a Cloud Run container instead of a browser, you lose the easy visibility a browser console and the network tab used to give you. Tags fail quietly. Volumes drift without anyone noticing. A container that looked healthy yesterday can be silently broken today, and the first sign is often a client asking why last week’s numbers look wrong – more on this scenario anon from real world experiences…”
We Built the Data Collection Logger We Wished Existed - published by Duga Digital
Server-side migration
The process of moving tags from client-side Google Tag Manager containers to server-side tagging. Duga argues that automating it brings value through time saved, accuracy, risk management, quality assurance, site speed and resource liberty.
Relations
DEPENDS_ONGoogle Tag Manager
Evidence
“The business value proposition In part 1, we demonstrated the typical server-side migration – good technical stuff. Exciting for engineers. Business owners, agency founders, and business leaders will get much more excited by the prospect of business value.”
Duga does Server-Side Part 2 - published by Duga Digital
“To quantify the value of an automated server-side migration we need think about it holistically – it’s value-add in a number of different ways: - Time saving - The automation is faster than you – deal with it”
Duga does Server-Side Part 2 - published by Duga Digital
“Remember the process: before we migrate, we clean the container as described in part 1. That’s a half day operation done. And we do that quarterly, which equates to days of time saved. The easiest tag to migrate to server-side is a GA4 tag. Think how long your current agency has taken.”
Duga does Server-Side Part 2 - published by Duga Digital
Server-side tagging
Moving tag execution from the browser to server infrastructure, so that measurement survives ad blockers and consent restrictions. Duga Digital uses it in rebuild work, often with a consent rebuild, to restore signal lost to Google and Meta, and offers it with transparent server pricing.
Relations
DEPENDS_ONGoogle TagRELATES_TOAddingwellDEPENDS_ONGoogle Tag ManagerIMPROVESGoogle Tag Manager (inferred)IMPROVESGoogle Analytics 4 (inferred)RELATES_TOGDPRPREVENTSSignal lossRELATES_TOGoogle Tag ManagerENABLESEnhanced conversionsIMPROVESAttribution (inferred)IMPROVESSignal loss (inferred)DEPENDS_ONServer-side Google Tag ManagerENABLESData enrichmentPART_OFData StrengthPART_OFDuga 5-layer stackPART_OFTracking health checkPART_OFShopify analytics stackPART_OFShopify measurement stack deployment
Evidence
“When you first heard the term “server side tagging”, did your mind conjure up a vision of no tags in the browser and the web server squirting data straight into Google Analytics? Yes? The more typical server side data collection architecture is actually closer to a proxy server. The browser sends data to your server first, before your tags on your server send data to Goole, Meta, Pinterest, Tik Tok, and so on.”
Server to Server with sGTM - published by Duga Digital
“At Duga Digital, our collaboration with Addingwell has always been rooted in a shared passion for delivering robust, compliant, and high-performance data solutions. Their server-side tagging platform has been integral to our data services, enabling us to offer clients secure, efficient, and privacy-compliant data operations. The merger with Didomi only amplifies these strengths, introducing new capabilities, resources, and expertise that will benefit our joint clients and the broader industry.”
Congratulations to Didomi and Addingwell: Ushering in a New Era of Data Privacy and Innovation - published by Duga Digital
“A Reality Check on Server-Side Tagging Simo Ahava – Simmer Server-Side Shenanigans Simo did what Simo does best: calmly dismantled an industry sales pitch. Server-side tagging is often sold as a way to “get the data back”.”
Superweek 2026 – Day Two - published by Duga Digital
“If this event was scaled to the size of the digital industry then over 50% of website traffic would be measured using server-side tagging techniques. It isn’t, and hasn’t. But it was very interesting to me to note that sponsors, agencies, hosts and even a few interested vendors were doing presentations on the topic. Perhaps in Germany there is about to be a big wave of new server-side implementations (or there has been recently – none of the presentations I saw showed a real-life case study, mostly theory).”
Analytics Pioneers Summit – Munich – July 4th 2025 - published by Duga Digital
“Use Duga Digital to support you in your technical preparations. You’ve possibly heard about Server-Side Tagging: - Yes, it is the future. - No you don’t have to sell your business soul to “the cloud”.”
What does Chrome 3p Cookie Deprecation reversal mean for the SME? - published by Duga Digital
Server-side tagging implementation
Duga's service of building and rebuilding server-side measurement, including server-side mirrors and setups, so that Google, Meta and other platforms receive a clean, consented signal despite ad blockers, ITP and consent banners. The stated aims are better bid quality, lower CPA, reduced waste, higher match rates and trusted data for acquisition teams. One example is 25 country and brand websites using a single server-side container for all analytics tracking.
Relations
INSTANCE_OFServer-side taggingRELATES_TOServer-side taggingDEPENDS_ONServer-side taggingDEPENDS_ONGoogle Tag ManagerPART_OFAgency partnership services
Evidence
“I feel like the year has flown past because we’ve been in constant delivery mode. A few highlights. After all, real progress is built one solved problem at a time. Server side tagging remains our biggest advantage and has delivered the biggest changes for brands. Not theoretical pilots.”
Duga Digital End of 2025 Update - published by Duga Digital
“Your ads are blind to most of your conversions. Ad blockers, ITP and consent banners now hide a third or more of what your media is actually driving. We rebuild tracking server-side so Google, Meta and the rest get a clean, consented signal. Bid quality improves, CPA drops.”
Specialist digital analytics, built for marketers - published by Duga Digital
“Your brand on the front, our delivery underneath. We never go direct. What we plug into What we plug into. - Server-side GTM rebuilds (we have an Auto-sGTM product specifically for agency velocity).”
For agencies - published by Duga Digital
“What we’re known for. - Rebuilding server-side measurement that survives ad blockers and consent. - Securing Google funding for eligible brands so the work pays for itself. - Causal impact and proper attribution work, not last-click theatre.”
About Duga - published by Duga Digital
“Measurement is only as valuable as it is trustworthy. Proving the setup before it goes live is how you keep that trust. Talk to us Duga Digital specialises in rigorous, server-side analytics implementation and validation. If you want your next measurement change proven before it ships, get in touch.”
How to prove a server-side GTM and GA4 setup before it ever touches production - published by Duga Digital
Session ID
The sid value in a Google Analytics hit payload that identifies the session. When the page_view and user_engagement events carry different values, sessions break and attribution is lost.
Relations
PART_OFGoogle Analytics 4
Evidence
“en user_engagement All values as expected but why does the session id (sid) change? That’s two different sessions going into one property and that’s going break sessions, and attribution. Which one is the right one?”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
“_ss 1 Breaking these parameters down: tid – is the GA data stream ID – that’s the server side data stream value – correct. _s is the hit number in this session sid is the session ID – hmm – take a close look at that value and remember it.”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
“Why did the session ID change, though? Deciding the session ID value is part of the Google Tag functionality. Two configuration choices have been highlighted as the cause of the issue. Issue number 1 First, the trigger configuration was inconsistent.”
The Two-Minute fix that might save your GA attribution data - published by Duga Digital
sGTM preview mode
The debugging view for a server container, where requests appear on a timeline only if they carry the preview cookie or the X-Gtm-Server-Preview header. When sGTM is proxied, for example behind a Google Tag Gateway, browsers protect cookies across subdomains and preview can stay silent even though hits succeed. The fix is to have the Worker inject the X-Gtm-Server-Preview header, taking the preview ID from the request or Referer and removing gtm_preview parameters from the URL.
Relations
PART_OFServer-side Google Tag ManagerDEPENDS_ONCloudflare WorkerPART_OFCloudflare Worker
Evidence
“Server side preview is structured differently. When you open the Preview panel for your server container, a first-party cookie is set on your sGTM subdomain (for example sgtm.example.com). A request will show up on the timeline if it either carries that cookie or carries an HTTP header: X-Gtm-Server-Preview. The cookie route only works when the browser sends its request straight to the sGTM subdomain. The header route works from anywhere, which is the escape hatch we will need shortly.”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“When proxying sGTM through a Cloudflare Worker, the biggest hurdle isn’t the data, it’s the authorisation. Because browsers protect cookies across subdomains, your preview mode stays silent even when hits are successful.”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
“The trick is to get the preview ID into X-Gtm-Server-Preview before the Worker forwards the request. Simo Ahava’s Tip 132 has the shape of the solution: grab the preview ID attached by the client side container (either as gtm_preview on the query string or embedded in the Referer) and translate it into a proper header.”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“Here is the catch. The preview cookie lives on sgtm.dugadigital.com, but in a Tag Gateway setup the browser never sends requests to that origin. It sends them to dugadigital.com/duganalytics/…, and the browser has no reason to attach a sgtm.dugadigital.com cookie to a request for a different origin.”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“Solution We need to use Tip 132 from the Simo Ahava blog – we add the X-Gtm-Server-Preview header in the Cloudflare worker. Grab the value from the server side preview: Add it to the client side preview mode:”
Google Tag Gateway – CDN & sGTM - published by Duga Digital
Shopify
The ecommerce platform for which Duga Digital designs its measurement stack, aimed at stores worth more than £5m a year. Duga criticises its built-in analytics app as unreliable and deploys a fuller stack, including consent setups that work with its checkout and legacy CMP migrations.
Relations
DEPENDS_ONGoogle Tag Manager
Evidence
“With zero drama, a few minutes of config, it’s live and functional: Shopify BIIIIG elephant in the room. Doing basic analytics on Shopify is totally fine with the standard GA integration. Doing anything remotely sophisticated in the GMP space requires GTM.”
Decoupling Data & Consent: Why This CMP is a Masterclass - published by Duga Digital
“3.6% → 30% Shopify’s analytics app is fiction. Consent banner, perfect Shopify GTM, server-side stack and cookie restore deployed together. Accurate revenue back where your ads can bid on it, accurate margin where your finance team can see it.”
Specialist digital analytics, built for marketers - published by Duga Digital
“Vertical: Shopify and ecommerce Shopify’s analytics app is the problem, not the solution. Built for DTC brands and Shopify Plus retailers. Three different numbers from three different places: Shopify Analytics, GA4, and Meta Ads Manager. None of them agree.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“Trust your Shopify analytics? We built the stack that tells the truth. A production-grade measurement stack for serious Shopify stores. Replaces the old ways. Works with Meta, Google Ads, and GA4.”
Shopify Analytics - published by Duga Digital
“Your consent setup is silently killing your data. Consent Mode v2 Advanced. Shopify Checkout friendly. Documented SOPs.”
Consent Management - published by Duga Digital
Shopify analytics stack
Duga Digital's production-grade measurement stack for serious Shopify stores. It is positioned as a replacement for older app-based approaches and works with Meta, Google Ads and GA4.
Relations
RELATES_TOShopifyDEPENDS_ONConsent management
Evidence
“Trust your Shopify analytics? We built the stack that tells the truth. A production-grade measurement stack for serious Shopify stores. Replaces the old ways. Works with Meta, Google Ads, and GA4.”
Shopify Analytics - published by Duga Digital
“consent migration executed without downtime 3-5 days typical implementation timeline Why a dedicated stack? - Generic Shopify analytics apps miss product-level attribution”
Shopify Analytics - published by Duga Digital
Shopify measurement stack deployment
Duga Digital's combined deployment of a consent banner, Shopify GTM, a server-side stack, cookie restore and Google Tag Gateway. It replaces Shopify's analytics app so that bidding, reporting and finance figures are accurate and read from the same source.
Relations
TARGETSShopify (inferred)
Evidence
“The full Shopify stack, deployed together. Consent management Didomi-grade consent that doesn’t kill your data the moment it loads. Server-side GTM (Auto-sGTM) Faster, cleaner, ad-blocker-resistant.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“3.6% → 30% Shopify’s analytics app is fiction. Consent banner, perfect Shopify GTM, server-side stack and cookie restore deployed together. Accurate revenue back where your ads can bid on it, accurate margin where your finance team can see it.”
Specialist digital analytics, built for marketers - published by Duga Digital
“Shopify and ecommerce The platform’s own analytics is the problem, not the solution. We deploy the full stack (consent, server-side, GTM, cookie restore) so the numbers you bid on are the numbers in your finance system.”
Specialist digital analytics, built for marketers - published by Duga Digital
“None of them are right. We rebuild the stack so your bidding, your reporting and your CFO are reading from the same source. The Shopify problem in one paragraph. Shopify’s native analytics is not a measurement product, it is a vanity dashboard. Ad blockers strip your Meta and Google signal.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“Fine jewellery brand Google Tag Gateway implementation under Google funding restored the data ad blockers had been silently stripping. Performance events business Shopify’s analytics app was reporting one number, finance had another, the media team had a third. We rebuilt the stack so the three agreed.”
Specialist digital analytics, built for marketers - published by Duga Digital
Shopify Plus
The enterprise tier of Shopify. Duga Digital's Shopify offer targets Shopify Plus retailers, and a high-velocity Shopify Plus store features in its worked example, where revenue was reconciled against GA4 and Meta.
Relations
PART_OFShopify
Evidence
“Vertical: Shopify and ecommerce Shopify’s analytics app is the problem, not the solution. Built for DTC brands and Shopify Plus retailers. Three different numbers from three different places: Shopify Analytics, GA4, and Meta Ads Manager. None of them agree.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“The challenge What wasn’t working A live events business running a high-velocity Shopify Plus store was reporting one revenue number in Shopify, a second in GA4 and a third in Meta Ads. The three were as much as 8x apart on a busy day.”
From 3.6% to 30% revenue match - published by Duga Digital
“Performance events business: 3.6% to 30% revenue match. A live events business running a high-velocity Shopify Plus store was reporting one revenue number in Shopify, a second in GA4 and a third in Meta. We rebuilt the stack from consent layer up, deployed sGTM, cookie restore, and a clean GA4 spec. Within 30 days, the three sources agreed within 3% of each other.”
Specialist analytics for Shopify and ecommerce - published by Duga Digital
“Case study · Shopify and ecommerce How a performance events business closed the gap from 3.6% to 30% revenue match. A full Shopify stack rebuild from consent layer up. 3.6% → 30% Revenue match rate across Shopify, GA4 and Meta”
From 3.6% to 30% revenue match - published by Duga Digital
Signal loss
The loss or thinning of measurement data between ad click and recorded conversion, creating gaps between what the browser, backend and ad platforms see. Causes include third-party cookie decline, ITP, ad blockers, consent gating, regulation, inconsistent deduplication and gclid attrition. Platforms such as Google and Meta cannot bid towards sales they cannot see.
Evidence
“Every measurement team I talk to has the same problem. Signal loss is accelerating. Third-party cookies, browser intelligent tracking prevention, ad blockers, regulation, consent gating and the natural attrition of gclid between ad click and offline conversion all conspire to thin out the picture you are trying to draw.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“The revenue Google and Meta can’t see. Ad blockers, ITP and consent banners now hide a third or more of what your media is actually driving. When the platforms can’t see a sale, they can’t bid towards it. Enter four numbers for a directional read on what that is costing you.”
Signal loss calculator - published by Duga Digital
“What we did How we delivered it 01 Audit and gap analysis 2 weeks mapping every tag, event and platform integration. Signal loss measured in exact percentages between browser, backend and ad platforms.”
+37% ad-platform signal recovered - published by Duga Digital
“Client-side tags were being blocked by browsers and consent tools, deduplication between web and backend events was inconsistent, and the warehouse was missing the join keys needed to validate any of it. Bid algorithms were starving and the marketing team had no auditable answer for the finance director.”
+37% ad-platform signal recovered - published by Duga Digital
“It assumes roughly 12% additional signal loss from browser restrictions and ad-blockers on top of your consent rate, and that server-side tracking plus a clean signal recovers around 55% of what is lost. Real figures depend on your stack, market and setup.”
Signal loss calculator - published by Duga Digital
Signal loss calculator
A tool on the Duga Digital site that takes four inputs and gives a directional estimate of the revenue Google and Meta cannot see, and how much of it is recoverable. It is for planning only, and the full breakdown is emailed to the user.
Relations
TARGETSSignal loss (inferred)DEPENDS_ONServer-side tagging
Evidence
“The revenue Google and Meta can’t see. Ad blockers, ITP and consent banners now hide a third or more of what your media is actually driving. When the platforms can’t see a sale, they can’t bid towards it. Enter four numbers for a directional read on what that is costing you.”
Signal loss calculator - published by Duga Digital
“Spending GBP 30K+ a month on Google or Meta? This is built for you. See how much of this is recoverable. We’ll email you the full breakdown for your numbers. Directional estimate for planning only.”
Signal loss calculator - published by Duga Digital
“It assumes roughly 12% additional signal loss from browser restrictions and ad-blockers on top of your consent rate, and that server-side tracking plus a clean signal recovers around 55% of what is lost. Real figures depend on your stack, market and setup.”
Signal loss calculator - published by Duga Digital
Smart Bidding
Google Ads' automated bidding algorithms, which learn from the conversion data they receive. Trained on form fills they optimise towards the wrong signal, whereas actual revenue events change their optimisation decisions.
Relations
PART_OFGoogle AdsDEPENDS_ONData Manager API
Evidence
“The consequences compound over time. Smart bidding strategies learn from the wrong data. Budget allocation decisions are made on the basis of cost per lead, when the actual question is cost per pound of revenue. Campaigns that look inefficient by one measure are quietly the most profitable. Campaigns that look exceptional are producing enquiries that go nowhere.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“Not as a reporting metric. As a training signal. This is a meaningful shift. When Google’s bidding engine is learning from actual revenue events rather than form fills, the optimisation decisions it makes are categorically different. The campaigns that win budget are the ones that actually drive business.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
“The good news is that the tools are genuinely excellent right now. The Google Data Manager API, properly implemented, gives Smart Bidding the signal it needs to make decisions that align with your commercial reality. That is a significant capability upgrade for any business that has been operating on proxy metrics.”
Your marketing tech stack has evolved, have you? - published by Duga Digital
Stape
A technology partner of Duga and the company that released the open-source Google Conversion Events Tag for server-side GTM.
Evidence
“Two things landed in quick succession Two recent moments have made Data Strength suddenly very tangible. Earlier this year, the team at Stape released the Google Conversion Events Tag for server-side GTM. It is an open-source, well-engineered template that wraps the Data Manager API in a familiar GTM UI – everything you would want from a server-side tag, polished and available from the template gallery. Stape has done the analytics community a real service by getting this out so quickly, and it is rightly the default starting point for anyone working with the Data Manager API.”
Measure Summit – Data Strength is your new KPI. Here’s how the Data Manager API delivers it. - published by Duga Digital
“We’re partnered with Google (P0 specialist partner, GMP partner, Data Manager API beta), Stape, Addingwell and Didomi. We sit inside a small number of named agency partnerships, and we deliver direct for brands when it makes sense.”
About Duga - published by Duga Digital
Superweek
An analytics conference held in Budapest, attended by Dan Truman and Doug Hall of Duga Digital, bringing together senior practitioners for technical sessions and strategic discussion. Duga Digital also marked its fifth birthday at the event.
Evidence
“Superweek is one of the most respected analytics conferences globally, bringing together senior practitioners for a week of deep technical sessions and strategic discussion. Key takeaways included new capabilities in the Google Trends API (now publicly available), advances in server-side measurement architecture, and broader industry conversations about the growing gap between what brands believe their data shows and what it actually shows.”
Duga Digital – February 2026 - published by Duga Digital
“We celebrated our 5th birthday with some wonderful cakes in Budapest at Superweek. I wanted to say thank you. To everyone who has supported Duga, thought of Duga, worked with Duga, partnered with Duga and offered any sort of advice. It has been a very rewarding 5 years – proving a few people wrong.”
Duga Digital is 5! - published by Duga Digital
“Industry Presence: Conferences and Speaking February was a busy month on the speaking circuit. Dan Truman and Doug Hall represented Duga Digital at two significant industry events. Superweek (SPWK), Budapest, 1st–6th February”
Duga Digital – February 2026 - published by Duga Digital
“The Superweek network is also commercially valuable. Several new partnership conversations were initiated during the week, including with SEO agencies who face a specific problem that our measurement capability solves: proving organic revenue uplift when a client’s tracking infrastructure understates organic contribution by 10–15 percentage points.”
Duga Digital – February 2026 - published by Duga Digital
SuperWeek 2025
An analytics conference held in Hungary, which Duga Digital attended and spoke at. The publisher praises its balance of business and technical content and its low hype. Duga Digital also entered the Golden Punchcard.
Evidence
“Aaaand that’s a wrap on SuperWeek 2025 – only it’s not over yet. Read on! SuperWeek lives up to its name and well deserved reputation. 2025 was a strong year for real, actionable content. The organisation is a masterpiece, from the pickup at Budapest airport, to the welcome at the hotel, the food, rooms, spa, and the content.”
Duga Digital at SuperWeek 2025 - published by Duga Digital
“Content This year saw an excellent split in numbers between client side, vendor and agency side. There’s a great balance between business, and technical content – a broad range of interests catered for with deep expertise on show.”
Duga Digital at SuperWeek 2025 - published by Duga Digital
“Maximise your SuperWeek - I recommend going for the full 5 days. Max out on learning, networking – don’t do half measures. - Use the spa – make time to refresh, digest, reflect, and take it all in. - Dietary requirements are well catered for.”
Duga Digital at SuperWeek 2025 - published by Duga Digital
Superweek 2026
The 2026 edition of the Superweek analytics conference, which the publisher recaps day by day. Topics included agencies, AI, bots, signal engineering, MMM, server-side tagging, experimentation, pricing and the impact of AI on analytics professionals. A recurring theme was that optimisation without judgment automates past mistakes.
Evidence
“From Castle Views to Cognitive Work: What Really Matters Now Day One of Superweek 2026 opened with literal perspective. Morning views from Visegrád Castle over the Danube set the tone: this was always going to be a day about zooming out, questioning assumptions, and getting honest about where digital analytics is actually heading – not where vendor decks say it is.”
Superweek 2026 – Day One - published by Duga Digital
“Across MMM, solo consulting, intent, server-side tagging, experimentation and AI agents, a consistent thread emerged: optimisation without judgment is just automation of past mistakes. Here’s how Day Two unfolded.”
Superweek 2026 – Day Two - published by Duga Digital
“- Foundations > scale - Control > circumvention - Activation > reporting - Judgment > automation By Day Four, Superweek felt less like a technology conference and more like an accountability audit.”
Superweek 2026 – Day Four - published by Duga Digital
“KPIs, Consent, Complexity and the Humans Left Standing If Day One was existential and Day Two was operational, Day Three was foundational. It forced a deeper question: Are we actually clear on what we’re trying to achieve before we optimise anything?”
Superweek 2026 – Day Three - published by Duga Digital
“Value, Coaching, and the AI Tsunami By Day Five, something had shifted. The technical debates were still there. The AI questions hadn’t gone away. But the tone moved from “what is happening?” to:”
Superweek 2026 – Day Five - published by Duga Digital
Tag Assistant
Google's debugging tool. It opens the site in client-side preview from the web container, and its interface is used to inspect events such as Consent Default and Consent Update and the reported consent states.
Relations
PART_OFGoogle Tag ManagerDEPENDS_ONGoogle Tag Manager
Evidence
“Now you can implement the script changes, and activate Preview Mode in GTM to safely test the GTM changes. Load the homepage of the site. Do not click on the consent banner. In the tag assistant page, event 1 will be Consent Default. The Consent status will be reported as:”
Testing Consent Mode SAFELY - published by Duga Digital
“Client side vs server side: two different beasts Your regular run-of-the-mill client side preview is obviously not same-origin à la GTG, but it sure gets away with a lot. When you click Preview in the web container, Tag Assistant opens your site, the browser fetches gtm.js from googletagmanager.com, and Google returns the preview version of the container. The point is: the web container has its own machinery to bridge origins.”
Debugging sGTM Preview Mode in a Google Tag Gateway World - published by Duga Digital
“Check the Consent Update event in tag assistant and observe consent states have changed: In the Network tab in Dev Tools, find the GA4 Config tag payload. The gcs (Basic Consent Mode) and GCD (Advanced Consent Mode) parameters will have these values:”
Testing Consent Mode SAFELY - published by Duga Digital
Tag health monitoring
Automatic checking of whether tags are firing correctly, with email alerts, a status view and logs for diagnosis. In the page's example it revealed a custom event request failing with a 404 error.
Relations
PART_OFAddingwell
Evidence
“At DugaDigital, we’ve been leveraging Addingwell’s server-side GTM service with fantastic results, especially with tag health status monitoring. Here’s how it transformed our approach: The Challenge So, it starts when I received the tag health email from Addingwell Alerting.”
How Addingwell’s GTM Service Transformed DugaDigital’s Tag Health Reporting - published by Duga Digital
“What next? How is it broken, and what needs fixing? The Logs section will give you more detail: Oh, I’m getting a 404 error – the request being made by the tag is malformed somehow. So I go into sGTM preview mode, fire the pageview, and confirm, all is well there:”
How Addingwell’s GTM Service Transformed DugaDigital’s Tag Health Reporting - published by Duga Digital
“Okay, the data volumes aren’t massive. Just imagine how much the automatic tag health checks can save you? What if your tag health looked more like this: Yes, you can get in touch, we’ll happily work with you, and the excellent team at Addingwell, to give you the same confidence in your data quality using server side data collection.”
How Addingwell’s GTM Service Transformed DugaDigital’s Tag Health Reporting - published by Duga Digital
Third-party cookie deprecation
Chrome's move away from third-party cookies, which Duga views as an aggressive short-term step. In late July 2024 Chrome delayed the planned blocking indefinitely, and Duga's longer-term aim is third-party atrophy through first-party data activation.
Relations
LEADS_TOFirst-party data (inferred)
Evidence
“Duga POV: Third party cookie deprecation by Chrome was a short term, aggressive move. Shifting the tactical focus to 1P data activation is a smart, longer term initiative to deliver the strategic goal of third party atrophy.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“- How will this affect Google Ads? - How will this affect advertisers? - How will this affect user privacy? Well, this week (late July 2024) Chrome decided to delay the deprecation of third-party cookies indefinitely.”
What does Chrome 3p Cookie Deprecation reversal mean for the SME? - published by Duga Digital
“You need to think online and offline, real time and async data collection Duga POV: Third-party cookie deprecation in Chrome was an aggressive short-term move. The shift toward first-party data activation is a smarter, longer-term initiative, one designed to achieve the strategic goal of third-party atrophy over time.”
H1 Google Analytics Roadmap inside track - published by Duga Digital
“This was all set to change. Chrome was going to (gasp) deprecate (block) third-party cookies. But these are really important for advertising. Small and Medium Sized Enterprises (SMEs) immediately ask these key questions:”
What does Chrome 3p Cookie Deprecation reversal mean for the SME? - published by Duga Digital
“Gasp again. This sparked the same raft of the same questions. Lots of opinions have been offered from large agencies, and industry leaders but what does this mean for SMEs that still need to use Google Marketing Platform (GMP) for marketing and advertising with Google?”
What does Chrome 3p Cookie Deprecation reversal mean for the SME? - published by Duga Digital
Tracking health check
A tool-led check in which a visitor enters a URL and receives an instant read on their measurement setup. It covers tag manager, GA4, consent mode, server-side tagging and pixels. It loads the page like a visitor's browser and reads the public GTM container, and it is presented as directional guidance.
Evidence
“See what Google and Meta can actually track on your site. Enter your URL for an instant read on your measurement setup: tag manager, GA4, consent mode, server-side tagging and the pixels you rely on. We inspect your live GTM container, not just the page source.”
Tracking health check - published by Duga Digital
“Get the full breakdown and the fix for each issue. We’ll send it to your inbox and unlock the detail below. How this works. We load your page like a visitor’s browser would and, where you use Google Tag Manager, read the public container to see what’s configured. Tags that only load after a cookie banner is accepted can’t be seen this way, so for those we recommend a live audit.”
Tracking health check - published by Duga Digital
“Directional guidance, not a substitute for a full technical review.”
Tracking health check - published by Duga Digital
UK GDPR
The UK data protection regime under which even hashed PII counts as personal data, so consent is needed to collect it.
Evidence
“In the UK, which follows the UK GDPR, even hashed PII is considered personal data, which means that you need to ask for consent to collect it. Google Consent Mode (GMC), will dictate how, and if, UPD is used. In a more technical term, the ad_user_data signal is the signal in charge of allowing Google platform to receive and use UPD. This means that no consent means no Enhanced Conversions. It’s as simple as that.”
User Provided Data for Google Platforms - published by Duga Digital
Universal Analytics
Google's previous analytics product, with a page view based model and tags using IDs in the form UA-12345-1. It is being sunsetted and replaced by GA4, and its logic should not simply be copied across. The publisher uses it as a point of comparison, including for its limited notes feature.
Relations
PRECEDESGoogle Analytics 4
Evidence
“In the long ago, barely remembered days of Universal Analytics, old GA had the [limited] ability to add notes to your data. Limited in that is wasn’t available in all reports, the note related to one day, and there was no API (hat tip to old friend Grant Kemp for the handy screen shot):”
GA4 Annotations (in a sheet) - published by Duga Digital
“Yep. It’s another one. Another post about GA4. Strap in though – this one might have a twist. We’re under 3 months until Universal Analytics 360 will be sunsetted and all GA users will be moved over to GA4.”
Ready for GA4? - published by Duga Digital
“How are these different? What do they mean? Where do you use them? Hands up if you remember setting up a Universal Analytics tag? I know it’s been a while, but you must recall adding the tag id – UA-12345-1 or something similar yes?”
Tag ID, Measurement ID, Destination ID - published by Duga Digital
“But just a recap on some of the key updates with GA4: - The analytics schema for web & app aligns, resulting in consistent tracking across the 2 platforms. - Everything becomes an event. Page views, social, transactions and many others will go, so all events become equal allowing for greater customization to suit your organisations reporting requirements. As such, Google recommends you don’t simply copy over existing logic from UA to GA4, but implement a new logic that makes sense for your business needs.”
Ready for GA4? - published by Duga Digital
UPD Inspector
A tool that validates every user property at event level, measures coverage and alerts when a property falls below a threshold. It helps keep cohort and segmentation work reliable.
Relations
PART_OFGA ToolsDEPENDS_ONGoogle Analytics 4
Evidence
““Half our LTV cohorts are built on properties that aren’t actually set.” CRM Analyst How it’s used Validates every user property at the event level, measures coverage, and alerts when a property drops below a threshold. Clear owner for every signal.”
GA Tools - published by Duga Digital
“GA tooling UPD Inspector (User Property Data) The problem User properties silently fail to populate for chunks of traffic. Cohort and segmentation work downstream becomes unreliable.”
GA Tools - published by Duga Digital
User Provided Data
First-party personal information such as email, phone, name or address that users give through forms, purchases or sign-ups. It is normalised, hashed and sent to Google platforms to match signed-in Google users, and can be combined with stored session data to match later offline purchases. Its controls are described as a key ingredient of Data Strength and will be visible in GTM preview mode.
Relations
PART_OFData StrengthRELATES_TOData StrengthREQUIRESConsent ModeRELATES_TOCustomer Match
Evidence
“Collecting Personal Identifiable Information (PII) has been a staple in data collection for a while. Different platforms have different requirements and use the data in different ways. Today I’ll focus on Google’s User Provided Data, which is a big part of their new Data Strength programme, designed to enable and incentivise you to collect data in the most robust and compliant way possible.”
User Provided Data for Google Platforms - published by Duga Digital
“Preview Mode FTW You’ll see a lot more detail and context in the preview mode panel. Access to the automatic event detection and User Provided Data (UPD) capabilities during debug will go a long way to clarifying what data is collected, when, and by what:”
GTM Changes Highlights – May 2026 - published by Duga Digital
“2 – Collect UPD during Lead Generation When the user triggers a lead gen action and provides their User Provided Data (UPD), we look up the same client ID in Firestore. If there’s a match, a new record is created combining the session data with the UPD: a normalised and hashed email address and phone number.”
Unlocking Offline Conversion Tracking with Data Manager API - published by Duga Digital
“Controlling UPD is a key ingredient to the hot topic of Data Strength – the phrase “doubling down” comes to mind. In addition, expect to see fine grained detail on the hits being sent from the container – more visibility, more control, better data collection.”
GTM Changes Highlights – May 2026 - published by Duga Digital
“Why Collect PII When a user provides their first party data on your website, in the form of subscribing to a newsletter, submitting a form, booking an appointment, or making a purchase, that data can be collected, formatted, securely hashed and sent to Google platforms. There, they’ll match that data with users that are logged in to their Google profile.”
User Provided Data for Google Platforms - published by Duga Digital
Value-based bidding
A Google Ads bidding approach that uses conversion values to optimise campaigns, here fed with profit data. Duga lists it among the areas it works on for Google Cloud Platform-based businesses, alongside data enrichment, profit-based reporting and margin-led decision making.
Relations
DEPENDS_ONGoogle Ads
Evidence
“Strategies for using revenue and profit data in ecommerce reporting, and Google Ads optimisations. You might recall an earlier post where I demonstrated a potential automation for populating Firestore with data from BigQuery. That demo used the data in Value Based Bidding in a Google Ads Conversion tag.”
Server side integrated Ecommerce and Analytics - published by Duga Digital
“Our specialism is enabling Google Cloud Platform-based businesses to thrive and utilise their Google Marketing Platform connectivity to levels they can’t reach themselves. Data enrichment, value-based bidding, profit-based reporting, margin-led decision making are the areas we engage in.”
Duga Digital – The Future - published by Duga Digital