The module called Stars Votes and Schema.org snippets adds voting functionality and SEO elements according to the rules of Schema.org (the rules applied to all search engines).

You can publish the module to the pages of want on your website (some pages or all of them), it will show you the Schema optimized breadcrumbs. The version 1.0 of this module will list Schema rich snippets for the Joomla articles, Community Builder users and Virtuemart products, but the list will be updated for other Joomla extensions as well in the next versions.

Also, you can rate any article on a website, any CB users and any Virtuemart products with rates from 1 to 5 stars. The Schema.org rules also apply to the voting form and results.

The module works on Joomla 1.5, 1.6, 1.7 and 2.5.