WebP is even worse than AVIF for compression, and has very bad problems with ease of conversion to JPG or other formats, and WebP has not exactly caught up in a decade like it was supposed to. If it has not caught up, why not use the most complete universal image format standard built to date instead?

https://cloudinary.com/blog/the-case-for-jpeg-xl You can read the initial and conclusion parts if in a hurry, but reading the whole is better.

It is amazing to me how WebP got pushed for “web” usage despite lacking something as fundamental as progressive decoding (how you see a blurred image when image is partially loading up).