Ran a check of my sites HTML at http://validator.w3.org.
The validator found 11 errors - all related to OpenGraph
Element meta is missing one or more of the following attributes: http-equiv, itemprop, name.
…' content='Bill Bennett | journalist'/><meta property='og:description' content…
Attribute property not allowed on element meta at this point.
…ogy and business. News, features etc'/><meta property='og:url' content='http:/…
I can supply the others if they are relevant.
What is going on here and does it need fixing?