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As your test code contains some errors, I removed any unneeded data to make it a minimal example: <!DOCTYPE html> <html> <head><title>Google Structured Data Testing Tool: date bug?</title></head> <body> <div vocab="http://rdf.data-vocabulary.org/#" typeof="Event"> <p ...


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Looking at the overview, one thing that stands out is that RDFA is only applicable to XHTML 1.1 as far as validation goes, whereas there is an enormous push to finalize HTML5/CSS3 and get it out in production. Quoting the overview: To date, because XHTML is extensible while HTML is not, RDFa has only been specified for XHTML 1.1. Web publishers ...


3

Honestly, I have a feeling it is about as elusive as getting Google Sitelinks. My recommendation is to follow the Google guide for Rich Snippits and when the site gets enough PageRank and keywords hits, it will naturally start appearing. Also be sure to watch your webmaster tools closely and address any issues Google finds. There is also a section called ...


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Choosing which one is better for you is (IMO) somewhat subjective. Here are a couple factors that may help you to make an informed decision: RDFa is problematic for non-XHTML web pages (though support appears to be emerging), and has a bit of a learning curve when dealing with nested entities (see the Google example for Address) Facebook's Open Graph ...


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The benefits are numerous; but might not fit the same problems you are solving. Take for instance the simple use case of an online Store which sells Music. It'll generate a bunch of pages for its products, typically one feature page per product. Using RDFa and a few vocabularies you can describe that your page is selling a Track for $x amount; that the ...


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Google does not have enough computing power and indexing/freshening varies There are over 50 billion pages indexed (Tuesday, 19 February, 2013), Google does not have enough computing power to quickly update all pages/sites that get updated on the internet. Google prioritizes crawling and updates times vary depending on how much importance/authority they ...


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(I adjusted my answer that I gave to your (now closed) question on SO.) When a user-agent (including search engines) parses your RDFa, it doesn’t matter which element the RDFa is used on (except for special parsing rules). The user-agents learns something like the following: There is a business entity (http://purl.org/goodrelations/v1#BusinessEntity) ...


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Microformats are much simpler to understand and implement, using additional classes on existing HTML elements (or additional span/div elements where necessary). RDFa on the other hand is more complex and can be difficult to implement, using attributes like xmlns:v and values like v:Person. Like JasonBirch says it's a little problematic for non-XHTML pages ...


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Yes Product uses Schema which Google now recommends as it is supported by Google, Microsoft and Yahoo, while some older formats are not supported by Bing or Yahoo making schema the most ideal choice. Qoute from Googles PRODUCT Rich Snippets Page New! schema.org lets you mark up a much wider range of item types on your pages, using a vocabulary that ...


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No using RDFa, microdata, richsnippets, and HTML5 does not help your rankings in search engines. If you use Google rich snippet testing tool they'll actually tell you if a page will potentially appear in search results with rich snippets or not. For example a page using hCard but with a lot of other content on that page google may determine the main ...


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There are certainly benefits to using RDFa and other semantic markup tools on certain types of website. Google has recently introduced something called "Rich Snippets", which allows webmasters to mark up things like recipes, contacts, events, reviews and more, and have them show up with special formatting in the SERPs. Rich Snippets supports RDFa and two ...


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Now it’s 2013 and two weeks ago the W3C published HTML+RDFa 1.1: Support for RDFa in HTML4 and HTML5 as Recommendation: This specification defines rules and guidelines for adapting the RDFa Core 1.1 and RDFa Lite 1.1 specifications for use in HTML5 and XHTML5. The rules defined in this specification not only apply to HTML5 documents in non-XML and XML ...



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