Looking for logging into the Apex After Other Page 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 Apex After Other Page site. After that you can login as usual with your login credentials.
https://itknowledgeexchange.techtarget.com/itanswers/how-to-redirect-to-different-page-after-login-in-apex-41/
https://community.oracle.com/thread/2379314?start=30&tstart=0
https://it.toolbox.com/question/how-to-redirect-to-a-different-page-after-login-in-apex-41-041812
https://developer.salesforce.com/forums/?id=906F000000099hFIAQ
https://stackoverflow.com/questions/48953386/change-redirect-login-page-apex
http://www.grassroots-oracle.com/2014/09/using-post-authentication-to-run-process-after-APEX-login.html
http://dgielis.blogspot.com/2007/05/change-default-first-page-in-apex.html
http://www.apexninjas.com/blog/2011/03/set-first-page-of-the-application-dynamically-for-applications-that-require-authentication/
https://salesforce.stackexchange.com/questions/14800/redirecting-user-to-a-vf-page-after-executing-site-login
https://dreamevent.secure.force.com/articleView?id=networks_custom_login_apex_controller.htm&type=5
https://www.mstsolutions.com/technical/customizing-salesforce-community-login-with-apex-and-visualforce/
https://gist.github.com/4065662
https://www.forcetalks.com/blog/how-to-create-a-custom-salesforce-communities-login-and-landing-page-spring-2017/