A better place to start than this article for devs who know WebGL/OpenGLES would be https://toji.github.io/webgpu-gltf-case-study/ by one of the Google Chrome devs. I also really liked https://surma.dev/things/webgpu/ which was my first in depth intro into rendering via WebGPU.
I would also suggest https://web.dev/gpu-compute/ which is a good intro to WebGPU compute, but it was out of date and had broken APIs the last time I tried it. But it has useful theory if you've never used GPU compute before.