OpenGraph is an extension developed by Facebook how to enhance information usable during sharing in social networks. Opengraph enhances meta information of your pages, in that way it differs from microdata rich snippets which identify structured data in your web content. Using OpenGraph elements you can tell to Facebook or G+ right sitename, title, description,
This post first appeared on Freelance Technology Blogger - Lubos Bruha, please read the originial post: here