But for full websites that are more than a single page, the IA's Wayback Machine is even better (if they've got the site archived), because unlike archive.today they crawl links and archive (some of) them too - so for example you can click on links such as "user guide" or "what we want" and see the archived versions of those pages, whereas if you click on them from the archive.today page it hasn't saved them so it tries and fails to do it now.
https://web.archive.org/web/20240430041911/https://only9fans...