Looking for logging into the Facebook Broken 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 Facebook Broken site. After that you can login as usual with your login credentials.
http://www.google.it/url?url=http://downdetector.com/status/facebook
https://www.facebook.com/help/contact/357439354283890
https://www.facebook.com/business/help/105487009541643
https://community.spotify.com/t5/Accounts/Login-with-facebook-not-working/td-p/214924
https://outage.report/facebook
https://metro.co.uk/2018/04/07/fix-facebook-login-problems-7448715/
https://support.checkout51.com/hc/en-us/articles/201387167-I-can-t-log-in-with-Facebook-anymore-How-do-I-fix-this-
https://bugzilla.mozilla.org/show_bug.cgi%3Fid%3D1163771
https://wordpress.org/support/topic/facebook-login-broken-2/
https://wordpress.org/support/topic/broken-fb-login-loop/
https://forums.meteor.com/t/facebook-login-suddenly-broken/35209
https://github.com/humhub/humhub/issues/3357
https://stackoverflow.com/questions/43147498/facebook-login-broken-oauth-response-serialization-changed-from-cgi-parameters