Making sense of Basic Consent Mode (the hard way)
Original: Basic Consent Mode: The Guide
May 26, 2025
19 min read
Guide
Advanced

Summary
Implement Google’s Basic Consent Mode in GTM and gate all tags until consent.
Who This Is For
Technical Marketers
Developers
Marketing Ops
Key Takeaways
- Set up consent mode default and update calls to control tag firing based on user consent
- Configure triggers to only fire tags when appropriate consent has been granted
- Integrate your Consent Management Platform with Google Tag Manager's consent framework
- Handle edge cases like initialization tags and multiple consent updates properly
- Verify that no tracking occurs before consent is given to stay GDPR compliant
Tools & Technologies
Google Tag Manager Google Consent Mode Consent Management Platform (CMP) Google Analytics 4 Google Ads Floodlight
Topics Covered
tutorial google-tag-manager consent-mode privacy
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