Comment by Klonoar
WebkitGTK on Linux is arguably woefully unoptimized. I think people make the mistake of thinking "it's WebKit so it's fast" when it's not that simple.
e.g, it took Igalia getting involved to move more things to the GPU when other platforms more or less had that by default already.
https://blogs.igalia.com/carlosgc/2024/02/19/webkit-switchin...