Looking for logging into the Guest Icon 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 Guest Icon site. After that you can login as usual with your login credentials.
https://www.flaticon.com/free-icons/guest
https://discussions.apple.com/thread/7761560
https://www.iconfinder.com/icons/480743/account_avatar_contact_guest_login_man_user_icon
https://www.iconfinder.com/search/?q=login
https://forums.macrumors.com/threads/changing-image-in-guest-user-icon-at-login-screen.1305744/
http://osxdaily.com/2013/03/06/setup-guest-user-account-mac-os-x/
https://fontawesome.com/icons/user
https://appleinsider.com/articles/18/03/28/tip-keep-your-mac-data-secure-from-guest-users-with-this-macos-tool
https://www.imore.com/how-enable-guest-user-account-your-mac
https://www.underarmour.com/en-us/my-account/guest-login
https://icon.uiowa.edu/
https://smallbusiness.chron.com/remove-guest-user-mac-68285.html
https://docs.moodle.org/en/Managing_authentication