IE9 Platform Preview 7: performance is the priority
 

Just three weeks after the release of Platform Preview 6, Microsoft has released a seventh preview of Internet Explorer 9. The highlight of this new release is not new standards compliance but rather performance.

Improved performance has been a key goal of Internet Explorer 9's development. The new browser version relies heavily on GPU acceleration to provide high-speed graphics rendering and animation, and it includes a new JavaScript engine, codenamed Chakra, that compiles JavaScript in the background to achieve JavaScript performance that's tens or hundreds of times faster than Internet Explorer 8.

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