Adds the following tags to your header for better connection to facebook…
The following tags were proposed and validated by Facebook in 2010: https://developers.facebook.com/docs/opengraphprotocol/
Sadly there is NO information as to why or when they were removed from http://opengraphprotocol.org , and http://www.ogp.me/ is returning a server error ( “Heroku | No such app” ).
Paul Tarjan, Software Engineer @ Facebook for the Open Graph protocol is on record as having said:
“Those properties are deprecated. If major players in the locality space need markup, ogp will create a location (or place or some name like that) namespace and move the properties into there”
This is an extension for the Pure Web Brilliant: Social Graph control plugin ( https://wordpress.org/extend/plugins/kevinjohn-gallagher-pure-web-brilliants-social-graph-control/ )
Kevinjohn Gallagher: Kevinjohn Gallagher
Agency: Pure Web Brilliant
Framework release blog post: Pure Web Brilliant’s plugin framework released
” I want to go on record thanking my colleagues and many of our current & past clients, who were (mostly) happy to negotiate changes in the licence of our past work so that we could make it open source. “