roundcorners Posted November 1, 2009 Share Posted November 1, 2009 Being doing some research and have come across several types of microdata technologies, Microformats, RDFa and ARIA.Is anyone using any of these? Know of any real-word examples? Link to comment Share on other sites More sharing options...
boen_robot Posted November 1, 2009 Share Posted November 1, 2009 President Obama uses RDFa.Keep in mind that RDFa and ARIA make your (X)HTML document invalid, according to the W3C and other validators at least. Certainly not to user-agents.Microformats don't have that defect, but be careful, as it may turn out you're already using a Microformat without realizing it, which may or may not be a good thing. Link to comment Share on other sites More sharing options...
roundcorners Posted November 2, 2009 Author Share Posted November 2, 2009 I have been considering using the html5 doctype, which will validate using RDFa and ARIA. I believe the issue with RDFa is that XHTML will not validate if the author declares a xmlns CURIE, e.g. xmlns:dc="dublincore..." even though XHTML1.1 should. And ARIA roles invalidate the doc just by including the role attribute. HTML5 however, doesn't have this problem, more than likely this is because the HTML5 DOCTYPE doesn't specify any particular Public identifier or namespace and so is far more flexible.what's the validator support for HTML5 like now? Link to comment Share on other sites More sharing options...
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