Free extensions for Joomla!

Hello

Many thanks to you for this usefull pluging.

In my website I use an article on homepage, and vote is enable and work fine.
But when i use google webmaster tools for rich snippet, stars and notes don't apppear on résult (and never on google search result, but it s ok in all others articles )

Some could help me?

My home page:

http://www.athlete-endurance.com/training-network/

Thanks