much slower in GNOME Shell on xorg than Wayland
I have disabled all animations by using GNOME Tweaks, but still GNOME Web is much slower in GNOME Shell on xorg than the Wayland session, I know that Wayland is faster in general, specially GNOME on Wayland, but I think it is possible to do something to can improve the speed. See these short screencasts to get what is the problem: