All In One Schema Rich Snippets

A WordPress plugin for schema markup and rich snippets, built to improve SEO, lift rankings and boost click-through rates. It supports most content types and works with Google, Bing, Yahoo and Facebook. The documentation explains what a rich snippet is and how it helps a result stand out, then lists supported content types and the extra schema types and site-wide schemas unlocked by Schema Pro. Install it through the WordPress dashboard or by FTP, and an FAQ covers how the plugin improves SEO and which content types it handles. Tags include star rating, structured data and Google search. Written in PHP and available from the WordPress plugin directory, with a section for those who want to contribute.