Looking for logging into the Fb 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 Fb Facebook site. After that you can login as usual with your login credentials.
https://facebook.com/
https://help.line.me/line/?contentId=20000102
https://www.npmjs.com/package/react-facebook-login
https://www.tutorialspoint.com/php/php_facebook_login.htm
https://meta.discourse.org/t/configuring-facebook-login-for-discourse/13394
http://blog.springtab.com/how-to-integrate-facebook-login-into-your-site/
https://www.wired.com/story/security-risks-of-logging-in-with-facebook/
https://www.change.org/login_or_join
http://support.agorapulse.com/article/show/70789-how-to-sign-up-and-log-in-to-agorapulse
https://canvas.instructure.com/login/facebook
https://docs.moodle.org/en/OAuth_2_Facebook_service
https://firebase.google.com/docs/auth/web/facebook-login
https://firebase.google.com/docs/auth/android/facebook-login