JPEG XL is available (in beta/with a flag) in Chrome, Edge, and Firefox. Seems likely once it's no longer in beta that some web developers will start conditiona

JPEG XL is available (in beta/with a flag) in Chrome, Edge, and Firefox. Seems likely once it's no longer in beta that some web developers will start conditionally using it depending on the user's browser. It doesn't need to be useful everywhere to be useful.