Manu Sporny recently shared his views regarding the difference between RDFa Lite and microdata. Sporny writes, "RDFa 1.1 became an official Web specification last month. Google started supporting RDFa in Google Rich Snippets some time ago and has recently announced that they will support RDFa Lite for schema.org as well. These announcements have led to a weekly increase in the number of times the following question is asked by Web developers on Twitter and Google+: 'What should I implement on my website? Microdata or RDFa?' This blog post attempts to answer the question once and for all. It dispels some of the myths around the Microdata vs. RDFa debate and outlines how the two languages evolved to solve the same problem in almost exactly the same way."
He opines, "Here’s the short answer for those of you that don’t have the time to read this entire blog post: Use RDFa Lite – it does everything important that Microdata does, it’s an official standard, and has the strongest deployment of the two. Microdata was initially designed as a simple subset of RDFa and Microformats, primarily focusing on the core features of RDFa. Unfortunately, when this was done, the choice was made to break compatibility with RDFa and effectively fork the specification. Conversely, RDFa Lite highlights the subset of RDFa that Microdata did, but does it in a way that does not break backwards compatibility with RDFa. This was done on purpose, so that Web developers wouldn’t have a hard decision in front of them."
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