Looking for logging into the Ff Facebook site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Ff Facebook site. After that you can login as usual with your login credentials.
https://support.mozilla.org/questions/1211864
https://ar-ar.facebook.com/
https://ar-ar.facebook.com/login/
https://en-gb.facebook.com/
https://stackoverflow.com/questions/46044100/facebook-login-doesnt-work-on-firefox-only
https://www.youtube.com/watch%3Fv%3DtkPnRVppeas
https://www.youtube.com/watch%3Fv%3DWXc31dfeTYg
https://github.com/keppelen/react-facebook-login/issues/209
https://www.reddit.com/r/firefox/comments/4vxujz/unable_to_use_facebook_login_some_on_websites/
https://community.spotify.com/t5/Accounts/Login-with-facebook-not-working/td-p/214924
https://login.yahoo.com/m%3F.intl%3Din%26.lang%3Den-IN
http://www.google.fr/url?url=http://brave-exvius.com/threads/facebook-login-not-working.34346/
https://www.ghacks.net/2009/10/17/facebook-login/