The other thing I see is comparisons to game development which can render at the full speed of monitors—e.g. 120 fps, or even higher! That's nice, and browsers can get close for non-JS rendering.

Check out this for a real cool example! (at 60fps):
x.com/pushmatrix/s...

9/12

Two pro webperf tips!

Are you using Annotations in your performance traces?
developer.chrome.com/docs/devtool...

And even when not needing to annotate, Gemini AI auto-annotations can quickly give you an idea what a bit of the flame chart is doing without you needing to dig in yourself. Try it out!