Looking for logging into the Joomla Menu 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 Joomla Menu site. After that you can login as usual with your login credentials.
https://docs.joomla.org/Help39:Menus_Menu_Item_User_Login
https://extensions.joomla.org/extension/sclogin-enhanced-login/
https://www.joomlashack.com/blog/joomla/login-and-logout/
https://www.ahadesign.eu/tutorials/joomla/904-joomla-login-logout-einfacher-und-besser.html
https://www.joomlart.com/documentation/joomla-module/ja-login-module
https://joomla.stackexchange.com/questions/16023/change-login-to-logout
https://www.cloudaccess.net/joomla-knowledgebase/165-joomla-3-1/cloudbase-3/1103-loading-a-module-as-a-drop-down-menu-item.html
https://www.regularlabs.com/extensions/addtomenu
https://forum.joomla.de/thread/5384-anzeigen-eines-login-moduls-im-horizontalen-maxi-menu-ck/
http://docs.gantry.org/gantry4/tutorials/creating-a-popup-login
https://www.collectiveray.com/joomla/joomla-tutorials/customizing-the-joomla-login-for-different-users.html
https://stackoverflow.com/questions/26748213/customize-the-login-menu-on-joomla
https://www.siteground.com/tutorials/joomla/how-to-login/