Full Answer
Preventing tracking breakage: Server-side tracking (best prevention):
- Not affected by ad blockers
- Not affected by browser updates
- Not affected by JavaScript errors
- Stable infrastructure you control Monitoring and alerts:
- Set up Google Analytics Intelligence alerts
- Alert when traffic drops 30%+ day-over-day
- Check daily, don't wait for weekly reports Testing protocol:
- Staging environment with tracking
- Test updates before pushing to production
- Verify tracking after every deployment GTM version control:
- Document every container change
- Use workspace descriptions
- Compare versions...
