Originally Posted by Sazar
In real world testing, IE7 and IE8 have typically both been faster for me than Firefox. Chrome is pretty fast itself but Opera is still the speed-demon. That sucker just RIPS.
According to Peacekeeper tests, the fastest browser regarding script speed is in fact Safari 4, then Chrome and first in third place Opera. But of course this is just one test suite targeted on scripts.
Btw, you can test here;