How To Disable Google's FLoC | Ruby on Rails

disable_google_floc_rails.rb

# This is an Example on how to disable Google's FLoC using a 3 lines rails method
# setting the new "Permission-Policy" response header
# 
# To disable Google's FLoC and Opt-Out from this security threat, 
# just paste this code from line 12 to line 17 inside your application's
# app/controllers/application_controller.rb
#


class ApplicationController < ActionController::Base
  # ...
  after_action :nofloc
  
  # disable Google's FLoC on Rails with "Permission-Policy" => "interest-cohort=()"
  def nofloc
    response.set_header 'Permission-Policy', 'interest-cohort=()'
  end
  # ...
end