We move measurement from the browser to the server, so the data that reaches your ad platforms is more complete and better controlled.
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Roicool sets up server-side Google Tag Manager on a first-party domain, manages the data sent to GA4, Google Ads, Meta and LinkedIn from the server, filters personal data and applies consent rules. The setup runs in parallel with the existing web container, and we switch over once the data has been compared and validated.
Last updated: 21 October 2026View as Markdown
Four problems we solve.
Scope
Hosting for server-side Google Tag Manager, a first-party subdomain and cookie settings.
GA4, Google Ads enhanced conversions, Meta Conversions API, LinkedIn Conversions API and other platforms; event deduplication.
Filtering or hashing personal data, rules for IP and user information, choosing which fields go to each platform.
Rules aligned with your Consent Mode and KVKK setup: data from users who decline consent is not sent from the server either.
Comparing client and server data, match quality and error tracking.
Price: by scope, written in the proposalAsk for a proposal
In server-side tracking the event starts on the site; Google Tag Manager adds the consent state, server-side GTM removes the duplicate and forwards it to GA4, Google Ads and the Meta Conversions API, and the result lands in the Looker Studio report. Tools we use for this: Google Ads, Meta CAPI, Looker Studio.
Site
Example event
event: form_submitpage: /get-a-proposalvalue: 1200 TRYGTM
Example event
consent.ad_storage: grantedconsent.analytics: grantedevent_id: 7f3a…c21Server (sGTM)
Example event
event_id: 7f3a…c21dedup: browser + server → 1transport: serverGA4
Example event
GA4 → generate_leadGoogle Ads → lead (gclid ✓)Meta CAPI → Lead (event_id ✓)Google Ads
Meta CAPI
Looker Studio
Cases
Published on the project record: the average of the work so far; can vary seasonally · 2 months (ongoing)
Average in the result set published on the clinic's project page; $30,000 monthly budget, Meta-led structure · 5 months (completed)
In the same area
A consent management tool, Consent Mode v2 and tag-level consent rules: we set up your measurement in line with KVKK and Google's consent requirements.
Explore
A GA4 and Google Tag Manager audit or a fresh setup: measurement plan, key events, settings and training for your team.
Explore
Firebase and GA4 measurement plans for mobile apps: event setup, ad source measurement and analysis joined with your web data.
Explore
A marketing data warehouse that joins ad, GA4, CRM and sales data in BigQuery: one source, consistent metrics, fast reports.
Explore
Looker Studio reports for leadership, channels and campaigns: documented metrics, dashboards that load fast and a setup your team can update.
ExploreA consent management tool, Consent Mode v2 and tag-level consent rules: we set up your measurement in line with KVKK and Google's consent requirements.
ExploreA GA4 and Google Tag Manager audit or a fresh setup: measurement plan, key events, settings and training for your team.
ExploreFirebase and GA4 measurement plans for mobile apps: event setup, ad source measurement and analysis joined with your web data.
ExploreA marketing data warehouse that joins ad, GA4, CRM and sales data in BigQuery: one source, consistent metrics, fast reports.
ExploreLooker Studio reports for leadership, channels and campaigns: documented metrics, dashboards that load fast and a setup your team can update.
ExploreTeam and proof
Clutch profile“Roicool knew what they were doing and were ready to answer our questions with their expertise anytime.”
Sena Miskioğlu, SESTEK Marketing Manager ·
10x average ROI
Average in the result set published on the clinic's project page; $30,000 monthly budget, Meta-led structure · 5 months (completed)
Read the Albania Hair Clinic caseStrategy, content, development and measurement in one team.
Partnerships and certifications
Partly. Sending data to your own server on a first-party domain reduces the effect of some browser-side blocking. It must not be used to override a user's consent choice: data from users who decline consent is not sent from the server either.
It depends on traffic volume and the hosting option (Google Cloud or managed sGTM services). We estimate the cost from your traffic before setup.
No. We build the server-side setup in parallel with your existing web container, compare and validate the data from both, and only then switch over.
GA4, Google Ads (including enhanced conversions), Meta Conversions API, LinkedIn Conversions API, TikTok Events API and other systems that accept webhooks.
It gives you more control over data, because you decide on the server which data reaches third parties and can filter out personal data. Compliance, though, depends on consent management and a legal basis; the technical setup alone does not make you compliant.
Let’s start
In a 30-minute intro call we listen to your goals and agree on the right first step.
