Looking for logging into the Firebase Google Ios 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 Firebase Google Ios site. After that you can login as usual with your login credentials.
https://firebase.google.com/docs/auth/ios/google-signin?hl=ja
https://firebase.google.com/docs/auth/ios/firebaseui?hl=ja
https://firebase.google.com/docs/auth/ios/start?hl=ja
https://qiita.com/y-agatsuma/items/db52076df6d5ef0b8279
http://jesus9387.hatenablog.com/entry/2017/09/08/124052
http://blue-bear.jp/kb/swift-firebase-google%E3%82%A2%E3%82%AB%E3%82%A6%E3%83%B3%E3%83%88%E8%AA%8D%E8%A8%BC%E3%81%AE%E5%AE%9F%E8%A3%85/
https://teratail.com/questions/159208
https://iwb.jp/firebase-login-google-ios-facebook-mail/
https://developers.google.com/identity/sign-in/ios/?hl=ja
https://developers.google.com/identity/sign-in/ios/sign-in
https://dev.classmethod.jp/smartphone/flutter_firebase-authentication1/
https://stackoverflow.com/questions/45755126/google-and-facebook-firebase-login-authentication-using-swift-3-in-ios
https://www.html.it/pag/72406/google-login-su-ios-con-firebase/