Google Tag Manager
Use GTM to manage all tracking codes in one place.
Steps
- Create GTM account and container
- Get container ID (GTM-XXXXXXX)
- Add to 'Tracking' or 'Footer Scripts'
- Configure tags in GTM interface
- Set up triggers for specific events
- Use dataLayer for custom data
- Test with GTM Preview mode
- Publish container when ready
Common Issues & Solutions
Check if ID format is correct: GTM-XXXXXXX
Verify triggers in GTM. Use Preview mode to debug.
Ensure GTM snippet is in page head, not footer.