For a moment I was sad the original comparison page was gone. It turns out it is still online under the developer's new GitHub username: https://lmfont.github.io/image-formats-comparison/#abandoned....
replyThanks! Was also sad, but it's "just" linkrot, will update bookmarks
replyOffering different scalings is pointless because they're designed for a single largest size.
replyBut they won't be viewed at different sizes? But even then, the point is in making detection of artifacts easier
replyAs someone putting an image on a web page, why would I make detection of artifacts easier?
replyThe images in the article max out at the maximum size I'd want them displayed.