Microformats plugin for Joomla 3 and 2.5 now are system plugins. Over configuration of custom ini file, you can configure microformats and votes theoretically in all joomla components! Guide and examples for comcontent, comk2, commtree and comvirtuemart are in plugin archive.
Old version (before v.4): Now are supported JoomGallery, K2, Mosets Tree, JDownloads, Sobi2, SobiPro, Kunena, Virtuemart, Zoo (only for joomla 2.5) and Agora support (only for joomla 1.5). Are added nodisplay and novote tags and ability to have ratings for content categories.
Microformat votes is Seo plugin for joomla - rating plugin with google markup with microformats, microdata and rdf support to show Rich Snippets in Google Serp. http://3dwebdesign.org/microformats-seo-votes-for-joomla
Microformats and Rich Snippets are supported long time ago from google - from 2009 year. Over these micro formats your website will receive quick advantages over your competititors. Your site will be shown in google serp with stars and there will be shown rates for all of your content items with rating enabled.
For example if your page is at 5-th place by search for some keyword at google serp and on this page in google results are no other sites with stars and ratings, your result will be more visible and attractive and users will click more on Your result. Tests shown that website on 5-th place in serp become so many clicks as the sites which is on first and second place.
Our plugin is standart joomla votes (rating) replacement but with stars and ajax. Plugin have simple configuration and you can make choice from one of three supported Micro formats: Microdata, Microformats and RDF.
Plugin is multilanguage, Bulgarian, German, French and English language files in archive. Integration with Virtuemart, Mosets Tree, JDownloads, Sobi2, SobiPro, Kunena, Agora and Zoo is provided "As guide".