I don’t think this is necessary anymore with total cookie protection being enabled by default https://blog.mozilla.org/en/products/firefox/firefox-rolls-out-total-cookie-protection-by-default-to-all-users-worldwide/
I don’t think this is necessary anymore with total cookie protection being enabled by default https://blog.mozilla.org/en/products/firefox/firefox-rolls-out-total-cookie-protection-by-default-to-all-users-worldwide/