Looking for logging into the Lightdm Transition On 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 Lightdm Transition On site. After that you can login as usual with your login credentials.
https://bugs.launchpad.net/bugs/1232804
https://bugs.launchpad.net/bugs/1339380
https://www.reddit.com/r/linux4noobs/comments/5k7g7y/nicer_transition_from_lightdm_to_xfce/
https://ubuntuforums.org/showthread.php?t=2389252&page=2
https://askubuntu.com/questions/130017/how-do-i-configure-lightdm-to-run-seamlessly
https://c-nergy.be/blog/?p=11767
https://bbs.archlinux.org/viewtopic.php?id=173012
https://forum.ubuntuusers.de/topic/benutzer-wallpaper-wird-nach-dem-booten-beim-l/
http://iks.cs.ovgu.de/~elkner/X11-hybrid/lightdm-gtk-greeter.conf
http://forum.vectorlinux.com/index.php?topic=19137.0
https://unix.stackexchange.com/questions/443264/debian-transition-from-plymouth-to-lightdm-without-console-text-at-boot-time
https://unix.stackexchange.com/questions/443264/debian-transition-from-plymouth-to-lightdm-without-console-text-at-boot-time?rq=1
https://www.phoronix.com/forums/forum/software/distributions/958988-ubuntu-17-10-proceeding-with-transition-from-lightdm-to-gdm