seo - Doesn’t Google support Schema.org’s AggregateRating at the moment? -

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a rich snippet example schema.org http://schema.org/aggregaterating:

<html> <div itemscope itemtype="http://schema.org/product">   <img itemprop="image" src="dell-30in-lcd.jpg" />   <span itemprop="name">dell ultrasharp 30" lcd monitor</span>    <div itemprop="aggregaterating"     itemscope itemtype="http://schema.org/aggregaterating">     <span itemprop="ratingvalue">87</span>     out of <span itemprop="bestrating">100</span>     based on <span itemprop="ratingcount">24</span> user ratings   </div>  </div> </html>

but http://www.google.com/webmasters/tools/richsnippets won't show preview.

so, following words http://support.google.com/webmasters/bin/answer.py?hl=en&answer=146645 lies?

new! schema.org lets mark wider range of item types on pages, using vocabulary google, microsoft, , yahoo! can understand. find out more. (google still supports existing rich snippets markup, though.)

it working absolutely fine.

google not obliged show preview every time, , here shows error when inserted give example schema.org:

the following errors found during preview generation: page not contain authorship or rich snippet markup.

i have done in website's news pieces , shows fine.


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