GPU Performance for Game Artists (2017) (fragmentbuffer.com)

If you want to profile WebGL there is a cool extension called SpectorJS: https://spector.babylonjs.com/

Discussed a bit at the time: https://news.ycombinator.com/item?id=14726355

The clearest explanation of how gpus work for games and how to optimise performance. Can anyone please recommend more articles as detailed and clear as this one on the topic, i am struggling finding them?