SunSpider was deliberately designed to test JS only. What's regrettable is that folks started interpreting JS performance as the primary or even sole metric of

SunSpider was deliberately designed to test JS only. What's regrettable is that folks started interpreting JS performance as the primary or even sole metric of browser performance. JS performance has improved by more than an order of magnitude in most browsers since JS was first created, so it's even less likely to be a bottleneck. It's tricky to make good benchmarks. One interest area of new browser-based benchmarks is ones that focus on graphics. Here are some recent benchmarks that focus on graphics, which I think is an up and coming hot area for web applications, particularly games: JSGameBench - http://www.facebook.com/note.php?note_id=491691753919&id=9445547199 http://www.facebook.com/note.php?note_id=491691753919&id... MainInBlue AnimationBenchmark - http://www.themaninblue.com/writing/perspective/2010/03/22/ http://www.themaninblue.com/writing/perspective/2010/03/22/ GUIMark2 - http://www.craftymind.com/guimark2/ http://www.craftymind.com/guimark2/