Internet Explorer 9 Platform Preview: Investigatedby Brian Klug on March 17, 2010 11:44 AM EST
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Yesterday, Microsoft launched the Internet Explorer 9 Platform Preview at MIX10. Though the current release of the platform preview is very rough around the edges, it promises to bring Internet Explorer into full web standards compliance, partially erasing the web-standard scourge that IE 6 still scandalizes on the internet. Some of the biggest applause-drawing moments happened when IE team members themselves mentioned how important rapid migration away from IE 6 is. What that means is W3C compliance is a very real and important goal, including complete support for HTML5, CSS3, SVG, XHTML, and H.264/MPEG4 HTML5 <video> playback. At the same time, Microsoft hopes to gain valuable insight from web developers about what direction the IE team should take.
I initially attempted to validate and reproduce these results on my Latitude XT, and saw something very strange:
I ran and re-ran the test several times; for whatever reason, IE 9 Platform Preview doesn't like my Latitude XT running Windows 7 with a Core 2 Duo U7600 with 3 GB of RAM. Puzzled by the discrepancy, I ran the same tests on another computer running Windows Server 2008 R2 with a Celeron E3400 2.6 GHz with 4 GB of RAM. This CPU is essentially a Core 2 Duo with just 1 MB of L2 cache.
The results were much better:
Considering how early of a preview this is, it's completely understandable that not everything is working properly across every system configuration. I've submitted feedback and a bug report, and plan on continuing to investigate the discrepancy.
It's important to note that IE9 in its current form isn't really a beta, it's somewhere between an alpha and a beta. Microsoft describes this release as "just enough of a slice of the browser" to both let web developers and designers try the new rendering engine, flesh out what HTML5 markup is most favored, and start to get feedback flowing. There's nothing in the way of a back button, tabs, address bar, or favorites. It's just a barebones Trident-wrapper that gives a relatively complete perspective on the direction Microsoft hopes to take IE. They promise to adhere to a strict eight-week schedule for updating the platform with improvements, addressing issues at each step, and increasing their Acid3 score every step of the way. More on that later.
But enough with that, let's take a look at it by loading anandtech.com: