Those both help but less than you'd think. Most websites aren't playing videos, and while better image compression means you spend less time downloading bytes o

Those both help but less than you'd think. Most websites aren't playing videos, and while better image compression means you spend less time downloading bytes over the network all images are getting decompressed into raw RGBA32 textures that cost the same amount of power to render on the compositor side. It would really help if browsers added support for Basis images though, because those can decode (quite efficiently!) to GPU compressed textures that cost less power to composite into the framebuffer.