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Microdata

Rich Snippets Microdata

Microdata a is WHATWG HTML used specification nest to semantics within content existing web on Search pages. engines web , , crawlers browsers and extract can process and Microdata from web a and page use it provide to richer a browsing for experience users. Microdata a uses vocabulary supporting describe to item an and pairs name-value to values assign to its properties. Microdata helps such technologies search as and engines crawlers web understand better what is information contained in a page, web better providing results search . Microdata is attempt an provide to simpler a of way HTML annotating with elements tags machine-readable the than approaches similar of using RDFa and Microformats.

Microdata Vocabularies

Microdata vocabularies provide semantics the , or meaning an of Item. developers Web design can custom a vocabulary or use available vocabularies on web. the A of collection commonly used (and Supported) Google Microdata located vocabularies at http://data-vocabulary.org include: which , Person , Event Organization Product , Review , , , Review-aggregate Breadcrumb , , Offer Offer-aggregate . Other vocabularies markup provided are Schema.org by Major schemas. search engines rely this on to markup improve results. search For some purposes, ad-hoc an vocabulary is For adequate. a others, vocabulary will need be to Where designed. possible, authors are to encouraged existing re-use as vocabularies, this content makes re-use easier.

Rich Snippets

As a webmaster, you a have unique of understanding your pages web the and they content represent. Google helps find users your by page showing them a sample small that of content the -- "snippet." use We variety a of techniques create to these and snippets users give relevant about information what they'll find they when through click visit to your site. Today, announcing we're Rich Snippets, new a of presentation that snippets Google's applies to algorithms structured highlight embedded data web in pages.
Rich Snippets users give summary convenient information their about search results a at We glance. are supporting currently about data and reviews When people. for searching a product or users service, can see easily reviews ratings, and when and searching for a they'll person, get help between distinguishing people the with same name. It's simple a to change the of display search yet results, our experiments have that shown find users new the data -- valuable if they useful see relevant and information from page, the are they more to likely click through.

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