I recently came across a new platform while browsing, and I was surprised by how smooth and fast the overall experience feels compared to others I've tried before, especially in terms of loading speed and usability
https://cs4001.cc.gatech.edu/members/win168/
https://community.devstyler.bg/members/vktopxivie/activity/
https://readyguidecalendar.mylearndash.com/members/qi389b/activity/