The performance increase of the new Javascript engine is massive, and brings Internet Explorer basically up to par with Google Chome for Javascript performance. WebGL still has some work to be done, and at the moment, the only HTML5 features that have been added is WebM support. Let’s take a look at the numbers.

 

 

 

IE was well optimized for Sunspider already, so there is not much of a change there. Google Octane 2.0 however has always been terrible in IE, and now it comes in roughly the same as Chrome, for a massive 81.8% increase over the old rendering engine. Kraken continues this with a 45% jump in performance. It is a big change, and a welcome one too.

 

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