What's the best way to determine at runtime if a browser is too slow to gracefully handle complex JavaScript/CSS?

Question

I\'m toying with the idea of progressively enabling/disabling JavaScript (and CSS) effects on a page - depending on how fast/slow the browser seems to be.

I\'m speci

Answer 1

You could run all the benchmarks you want using Web Workers, then, according to results, store your detection about the performance of the machine in a cookie. This is only for HTML5 Supported browsers, of-course