If you’re into FreeCell, check out my ranked list of sites based on things like...

https://www.last-bookmarks.win/looking-for-the-best-freecell-sites-our-list-ranks-them-by-important-stuff

If you’re into FreeCell, check out my ranked list of sites based on things like ad load and whether they offer unlimited undo. I liked Solitaired for its clean interface and no sign-up hassle