Looking for logging into the Duolingo 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 Duolingo site. After that you can login as usual with your login credentials.
https://ja.duolingo.com/
https://itunes.apple.com/us/app/duolingo/id570060128%3Fmt%3D8
https://ja-jp.facebook.com/duolingo/
https://play.google.com/store/apps/details%3Fid%3Dcom.duolingo%26hl%3Dja
https://translator-life.com/duolingo/
https://www.reddit.com/r/duolingo/comments/99rg44/can_no_longer_login_to_duolingo_website_but_can/
https://www.reddit.com/r/duolingo/comments/7bpw19/persistent_login_issues_main_page_refreshes_when/
https://www.youtube.com/watch%3Fv%3DRVBkB9mtfaM
https://twitter.com/duolingo/status/349220953835847680
https://ja.wikipedia.org/wiki/Duolingo
https://conyac.cc/ja/blog/articles/54-try_babbel_and_duolingo
https://plus.google.com/%2Bduolingo
https://www.youtube.com/watch%3Fv%3DguadxMv8RI8