Looking for logging into the Fb Page 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 Page site. After that you can login as usual with your login credentials.
https://www.facebook.com/
http://native.is/fb-login-page
https://books.google.nl/books?id=g2nn_LLZzaQC&pg=PT486&lpg=PT486&dq=fb+login+page
https://www.typeform.com/help/login-issues/
https://stackoverflow.com/questions/16559115/fb-login-popup-block
https://stackoverflow.com/questions/51497328/selenium-webdriver-for-fb-login-testcase
https://www.website.com/sign-in/
https://freakycoder.com/android-notes-24-how-to-facebook-login-and-get-user-information-8d6df0350f1c
https://www.hacking-lab.com/user/
https://support.knack.com/hc/en-us/articles/231796207-Single-Sign-On-with-Google-Facebook-Twitter-and-Custom
https://twitter.com/login
https://support.mozilla.org/nl/questions/1225800
https://www.cloudways.com/blog/add-facebook-login-in-php/