[mpclark]

So do I literally just put...

Header set Permissions-Policy: interest-cohort=()

...into my site's .htaccess and that's it, job done?

[EMM_386]

For your site. If you don't serve ads that rely on Google-FLoC rankings, then you won't see any impact. Otherwise you'd see a financial hit.

If your users go to another site, and they don't have client-side FLoC-blocking in Chrome, your settings obviously won't do anything for them.

So it's a nice step for your users, but is limited.

[remram]

Apache:

    Header always set Permissions_policy "interest-cohort=()"

nginx:

    add_header Permissions_policy "interest-cohort=()" always;