Lesson 5 of 10Article18 min
Google Tag Manager Basics
GTM lets you publish tags, triggers, and variables without redeploying the whole site for every pixel change — with Preview mode for safety.
01Why marketers learn GTM
GTM lets you publish tags, triggers, and variables without redeploying the whole site for every pixel change — with Preview mode for safety.
- Tags — GA4 event, Ads conversion, Meta Pixel, etc.
- Triggers — when tags fire (All Pages, Click, Form, Custom Event)
- Variables — reusable values (Click URL, Form ID, DL values)
02Safe workflow
- Work in a workspace → Preview → verify → Submit with a clear version note
- Never edit Live casually; always version
- One change at a time when debugging