Looking for logging into the Captive Portal Android Problems 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 Captive Portal Android Problems site. After that you can login as usual with your login credentials.
https://forums.androidcentral.com/ask-question/892147-cannot-access-captive-portal-login-page-after-oreo-8-0-update.html
https://mashtips.com/solve-wifi-login-page-not-loading-issue-android/
https://forum.opnsense.org/index.php?topic=3651.0
https://socifi-doc.atlassian.net/wiki/spaces/SC/pages/5800088/The+Splash+Page+is+not+triggered+when+Android+devices+connect+to+WiFi
https://productforums.google.com/d/msg/chrome/fCU-TkUEIcc/U-MZWpAKBQAJ
https://community.arubanetworks.com/t5/Wireless-Access/Android-devices-not-redirecting-to-captive-portal-page/td-p/250202
https://community.arubanetworks.com/t5/Controllerless-Networks/Captive-portal-Issues-with-Android-7-in-Central/td-p/300273
https://thedroidguy.com/2018/12/how-to-fix-google-pixel-3-wifi-login-portal-screen-is-blank-issue-authentication-page-wont-load-up-1095266
https://forums.untangle.com/captive-portal/33614-problems-android-phones-connecting-captive-portal.html
https://www.golem.de/news/captive-portals-ein-workaround-der-bald-nicht-mehr-funktionieren-wird-1602-118963.html
https://forums.republicwireless.com/t/captive-portal-login-not-working/2146
https://github.com/wifiphisher/wifiphisher/issues/604
https://github.com/tripflex/wifi-captive-portal/issues/7