02
Tracking Infrastructure
Build and validate the event, conversion, and platform tracking layer that marketing decisions depend on.
This is the signal collection layer: GTM, GA4, ad pixels, server-side tracking, conversion APIs, click IDs, UTMs, ecommerce events, and the QA process that proves those signals are trustworthy.
Related field notes
All published writing currently classified under this system layer.
Meta conversion tracking breaks quietly. Check the signal path.
Deduplication needs an exact event_id and event_name match between Pixel and CAPI. Here's where gateways and sGTM break that match without throwing an error.
Low Meta CAPI match quality is inflating your CPA. Here's the fix order
A CAPI match quality score under 6.0 optimizes worse and costs more per conversion. Work through hashing, external_id, and IP/user-agent mismatches in this order to fix it.
The Complete Guide to Server-Side Tracking Migration
A practitioner's guide to server-side tracking migration: how to audit your current container, plan the sGTM move, and avoid the mistakes that break Meta CAPI, Enhanced Conversions, and GA4 mid-migration.
How to Set Up Server-Side GTM on Google Cloud (Step by Step)
A step-by-step walkthrough of server side GTM setup on Google Cloud, from provisioning the container to verifying tags fire from your own domain.
Google Tag Gateway for Advertisers Goes GA: What Changes in Your GTM Stack
Google Tag Gateway for Advertisers (formerly First-Party Mode) is now generally available in GTM, with custom domains, Cloudflare rollback, and a Floodlight consent change. Here's what to check first.
Google Enhanced Conversions: Server-Side vs Tag-Based
A practical comparison of Google Enhanced Conversions for Web via gtag/GTM versus server-side upload, covering match quality, latency, and which setup actually fits your stack.
How to Audit Your GTM Container Before Migrating to sGTM
A practical GTM audit checklist to run before migrating to server-side GTM, covering tag inventory, duplicate tracking, consent gaps, and variable dependencies.
sGTM vs Client-Side GTM: When to Actually Migrate
Most sGTM migrations happen for the wrong reasons. Here's the diagnostic framework for knowing when server-side tracking actually changes your data.
Server-Side Tracking for Google Ads: Enhanced Conversions Setup
Setting up Google Ads Enhanced Conversions through server-side GTM requires specific data handling that most implementations get wrong. Here's how to configure it correctly and avoid the common pitfalls.
How to Validate Your Meta CAPI Event Match Quality
Event Match Quality below 6 means Meta can't match your conversions to users. Here's how to diagnose why your EMQ is low and fix the data gaps that are killing your ROAS.
Facebook CAPI Deduplication: Why Your Conversions Are Double-Counting
If you're running both the Meta Pixel and Conversions API without proper deduplication, Meta is counting every conversion twice. Here's how to diagnose it, fix it, and verify the fix actually worked.
How to Debug Server-Side GTM: Tools and Techniques
Most sGTM debugging stops at preview mode. Here's a layered approach to debug server-side GTM across the full event chain, from browser to destination platform.
The 3 Meta CAPI Mistakes That Are Costing You Conversions
Meta's Conversions API is supposed to close the attribution gap. But most implementations have the same 3 mistakes that make the data worse, not better.
Why Your Server-Side Tracking Migration Keeps Failing
Most sGTM migrations stall because teams treat it as a tag swap instead of an architecture change. Here's the 4-step process that actually works, based on 20+ implementations.
