I've never personally seen a skeleton screen. I don't know why anyone would need this, and struggling to think of what problems are solved by them.
https://i.postimg.cc/qqCYtL6V/Screenshot-2026-04-08-134800.j...
The pic above is representation of skeleton screen on youtube.com when opened in browser
Placeholder with same dimension or colors as actual content, which will get replaced it keep user engaged rather having a blank screen that suddenly fills or spinners.
Been working on websites on and off since 1999