IE7 performs better than IE6 with Web2.0 apps, but still not as well as Firefox

October 20, 2006

Excellent piece of insight on the Zimbra blog into how IE7, IE6 and Firefox 1.5 perform when using a Web2.0 app (an app making a lot of use of Javscript and DOM manipulation).

The guys at Zimbra have tested the performance of the three browsers when using the Zimbra Web Client. This is extremely useful for those of us who don’t have access to the testing tools needed to perform this kind of task and validates what a lot of web developers will be thinking.

The results show that IE7 is very much improved over it’s older counterpart, in their tests Zimbra quote IE7 as about twice as fast as IE6 over a range of tests. Firefox 1.5 of course is about twice as fast as IE7 over the same tests. So while Microsoft has made good progress and plugged a number of memory leaks it seems they still have some way to go!

It will be interesting to see how Firefox 2 compares once that is released!

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