Microdata makes it possible for search engines to understand important details about your site's content.
Microdata provides Google and Bing with extra information about your content such as names, descriptions, dates and ratings. And, because search engines can understand your data more clearly, they often reward you with a higher ranking.
Some themes provide microdata support, but many do not. In this tutorial, I'm going to show you how to add microdata to your WordPress theme.