Facebook Open Graph META Tags

Facebook's Open Graph protocol allows for web developers to turn their websites into Facebook "graph" objects, allowing a certain level of customization over how information is carried over from a non-Facebook website to Facebook when a page is "recommended" and "liked".

25 Apr 2011 ... All of Facebook's Open Graph META tags are prefixed with og: , then continued with more specific the specific property to be set. The data ...

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