HTML5 Compatibility Sites

With all the rapid development of HTML5 and CSS3 going on, its difficult to keep track of how far along these hotly-anticipated new features are. Thankfully, there have been some beautiful and/or functional sites popping up to help gauge the feature's support. Here's a few great ones:

Web Designer's Checklist

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HTML5 Readiness

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HTML5 Test

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CSS3 Please

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Here's a couple added bonuses:

on Quirksmode

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Is HTML5 Ready Yet?

[caption id="attachment_711" align="alignnone" width="650" caption="Is HTML5 Ready Yet"][/caption] [caption id="attachment_710" align="alignnone" width="650" caption="Is HTML5 Ready Yet"][/caption]