gtag Documentation
Google tag (gtag.js) documentation. Use for Google Analytics, Google Ads, and Floodlight event tracking, consent mode, e-commerce events, lead generation events, data routing, and tag configuration.
Documentation Structure
contents/ ├── index.md # Installation, tag IDs, verification ├── configure.md # Commands (config/event/set), consent mode ├── routing.md # Groups, send_to, multi-destination routing ├── reference.md # Full API: get, consent, parameter scope └── events.md # All event types with required/optional params
Topic Guide
| Topic | Key Files |
|---|---|
| Installation & setup | contents/index.md |
| config/event/set commands | contents/configure.md |
| Consent mode (GDPR/privacy) | contents/configure.md |
| E-commerce events (purchase, cart, checkout) | contents/events.md |
| Lead generation events | contents/events.md |
| Game events (levels, scores, achievements) | contents/events.md |
| Item parameters for products | contents/events.md |
| Data routing & groups | contents/routing.md |
| send_to (Google Ads, GA4, Floodlight) | contents/routing.md |
| gtag('get') for client_id/session_id | contents/reference.md |
| Parameter scope & precedence | contents/reference.md |
| Tag ID formats (GT-, G-, AW-, DC-) | contents/index.md |

