It’s only add an header to implement it and google analytics facebook like button etc etc clearly don’t need to be on your website

Tell Google to FLoC off!

Due to mounting pressure, Google announced it will eventually block third-party tracking in its Chrome browser. Sounds good, right? And it is, until you hear that their proposed alternative is to have Chrome itself track people on every site they visit… unless the sites ask them not to by including the following header in their responses:

Permissions-Policy: interest-cohort=()