Looking for logging into the Html Authentication 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 Html Authentication site. After that you can login as usual with your login credentials.
https://www.w3schools.com/howto/howto_css_login_form.asp
https://stackoverflow.com/questions/35100181/how-to-make-login-authentication-page-in-html-or-javascript
http://lia.deis.unibo.it/Courses/TecnologieWeb0708/materiale/laboratorio/guide/j2ee14tutorial7/Security5.html
https://scotch.io/tutorials/add-authentication-to-any-web-page-in-10-minutes
https://www.codeproject.com/Questions/525897/Loginplusauthenticationplusinplushtmlpluswebsite
https://www.formget.com/javascript-login-form/
https://www.embedthis.com/goahead/doc/users/authentication.html
http://www.peej.co.uk/articles/http-auth-with-html-forms.html
https://en.wikipedia.org/wiki/HTTP%2BHTML_form-based_authentication