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Firefox 23 loads slower than Internet Explorer 10

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I was doing a speed test between Firefox 23 and Internet Explorer 10. If you visit http://ie.microsoft.com/testdrive/Performance/PenguinMark/ all addons are disable on Firefox 23 and still slower than internet explorer. Why is that?

I was doing a speed test between Firefox 23 and Internet Explorer 10. If you visit http://ie.microsoft.com/testdrive/Performance/PenguinMark/ all addons are disable on Firefox 23 and still slower than internet explorer. Why is that?

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I don't know how to interpret my results. I got 1 in Firefox (no snow visible) and 8370 in IE (blizzard). Maybe I'm blocking something?