The web was designed from the start to solve this problem and you can serve alte...

dpark · 2025-12-01T18:23:02 1764613382

Your statement here amounts to “you can serve JPEG XL to other browsers, just not Chrome”.

Yeah, that’s what I said.

jeffbee · 2025-12-01T19:14:25 1764616465

This is the way of web. Sites don't get to dictate what the user agent does. The clue is in the name: user agent.

dpark · 2025-12-01T19:20:00 1764616800

Okay. So putting it together…

If the user agent does not support JPEG XL, then you cannot use it.

“Nobody is stopping you from using jpegxl” except Google.