Opt-out of FLoC

routing/ResponseSystemMiddleware.js

@@ -37,6 +37,9 @@ class ResponseSystemMiddleware extends Injectable {
         this.request = request
         this.old_status = response.status.bind(response)
 
+        // FLoC off, Google.
+        response.set('Permissions-Policy', 'interest-cohort=()')
+
         if ( app.di().has('views') && app.di().has('express') ) {
             response.view = this.view.bind(this)
             response.error = this.error.bind(this)