← Back to Guides

This guide covers Google Ads auto-tagging (gclid). If your organization runs Display through DV360 or serves ads through Campaign Manager 360, those platforms use a separate auto-tagging system with different behavior. A DV360 + GA4 guide is coming separately.

Six sections. Zero guesswork.

Each section explains one layer of the system. By the end, you know exactly what GA4 does with your Google Ads traffic and what you can do about it.

The Hook

You run Display. GA4 says Paid Search. Both are telling the truth about different things. Here is why.

Three Layers

What Google Ads locks. What GA4 translates invisibly. What you still control through naming conventions.

The Classification Rules

Two separate engines. One for resolved gclids, one for manual traffic. The rules are different enough to put the same click in different channels.

Your Levers

Seven custom channel grouping conditions. Most are locked. Two carry real classification power. The full dimension map.

Naming Conventions

Two ready-to-use templates with seven fields each. Campaign name for the media team, utm_content for the analytics team.

Verify Your Own Data

One exploration report. Three columns. Five minutes. Every assumption about your Google Ads classification tested.


Grab the guide.

The complete system: how auto-tagging works, what you can split with custom channel grouping, and two naming conventions to make it stick. One PDF, no gate.

Download the PDF →

What comes next.

You know the system now. Trakr helps you operationalize it. Configure your syntax once, generate URLs that follow it, hand the tools to your agency so they cannot deviate. One place to define, generate, and govern your tracking URLs. And I am building a version 2 with an API layer that catches misconfiguration at the ads platform level before the first click fires.

Join the Waitlist →