Privacy Audit Finds Google, Meta, and Microsoft Ignore Opt-Out Signals Across Thousands of Sites
A webXray audit of 7,587 California websites found that Google fails to honor Global Privacy Control opt-out signals 87% of the time, Meta 69%, and Microsoft 50%. The findings expose a systemic gap between consent infrastructure and actual tracking behavior — with direct consequences for cookie-based ad measurement.
By Sarah Chen·8 min read