Google Consent Mode: What Actually Works
Google's framework for adjusting tag behavior based on user consent choices, including modeling for users who decline.
Samir Haddad
Where most projects go wrong
The usual mistakes:
- Tags firing before consent
- Untested consent setups
- Assuming modeling replaces real data
- Copying configurations without review
What good looks like instead
- Connect a consent platform to tags
- Test consent states before launch
- Document the implementation
- Verify reporting after changes
- Review as privacy rules change
Why it matters
Consent choices change what data tags may collect, and consent mode keeps measurement working within those choices.
The specs that matter
| Measure | Figure |
|---|---|
| Signals | consent mode passes consent states to Google tags |
| Advanced and basic | two implementation approaches with different data effects |
| European requirements | Google requires consent mode for EEA traffic in certain products |
| Modeling | Google can model conversions for users who decline consent |
Knowing when to hand it over
Tip: Bring in help when consent requirements affect measurement.
Where this comes from
- Google Analytics Help — Consent mode
- Google Ads Help — About consent mode
The figures and practices above come from the sources listed.
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