I dug into progressive image rendering and found a bunch of common assumptions aren't quite true.
β‘οΈ JPEG & WebP progressive-renders worse in Safari
β‘οΈ AVIF _does_ support progressive
β‘οΈ But JPEG XL in Safari doesn't
β‘οΈ JPEG XL decodes much slower than AVIF
β¬οΈ β¦and more