I recently had a small epiphany. I’ve found myself totally enraptured by a new kind of online gaming experience, one that’s got excitement, thrilling rivalries, stats and achievements, mind-blowing graphics, and seriously perfect music. And sweat. Ridiculous amounts of sweat.

The ideal technical solution to this problem involves a mixture of the two approaches, and that is on-demand stalling. In this approach the engine still parallelizes loads and doesn’t stall parsing. However if a layout or style property is accessed, the JavaScript engine suspends itself and awaits the load of any pending stylesheets. Once all the stylesheets have loaded, the script picks up where it left off.