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CMv2

Consent Mode v2

Google's mechanism by which tags adjust their behavior based on the user's consent. Mandatory since March 6, 2024 for EEA/UK traffic using Google Ads, GA4 or Floodlight. It passes four boolean consent signals to Google.

Why it matters
Without it, you lose remarketing and part of measurement in the EEA. Implemented correctly, with modeling, it recovers 30-50% of conversions lost to consent refusal.

“CMv2” is part of Glossary · Tracking & data — part of the Atlas, Websem's reference of AI search, marketing and data terms.