Primer
GTM fundamentals primer
A 5-minute tour of tags, triggers, variables and the dataLayer: the four ideas everything else builds on.
Start lesson 18 lessons · self-paced
Lessons
- 1→
What Is Google Tag Manager?
The container, and why GTM exists.
- 2→
Tags, What Runs
The code GTM runs for you.
- 3→
Triggers, When It Fires
The condition that fires a tag.
- 4→
Variables, The Data
Reusable values used inside tags and triggers.
- 5→
The DataLayer, The Data Bus
How your site hands data to GTM.
- 6→
How They Fit Together
Trigger plus variables feed a tag.
- 7→
The GTM Workflow
The five-step loop you'll repeat.
- 8→
Preview & Debug
How every lesson here is meant to be used.