Looking for logging into the Steam Auf Website 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 Steam Auf Website site. After that you can login as usual with your login credentials.
https://store.steampowered.com/login/?l=german
https://www.reddit.com/r/Steam/comments/6d3a3l/how_to_steam_api_login_on_website/
https://steamcommunity.com/discussions/forum/24/458606877311578076/
https://gist.github.com/Ehesp/8315084
https://github.com/BlackCetha/SteamAuthOOP
https://www.computerbase.de/forum/threads/kann-mich-nicht-auf-der-steam-webseite-einloggen.1233446/
https://gamebanana.com/tuts/11999
https://www.godaddy.com/community/Building-and-Managing-a-Website/Trying-to-make-Steam-login-with-my-website-but-comes-back-to/td-p/51786
https://stackoverflow.com/questions/19137841/how-to-add-steam-openid-login-and-remember-user-login-with-cookie-to-my-site
https://wf.my.com/forums/showthread.php?t=72345
https://meta.discourse.org/t/steam-login-authentication-plugin/18153
https://www.drupal.org/project/steam_login
https://www.unknowncheats.me/forum/general-programming-and-reversing/112952-login-steam-website-using-http-requests.html