Schema.org is a vocabulary that can, like any other vocabulary, be used in many forms. The website http://schema.org/ has examples using Microdata and the RDF syntaxes RDFa and JSON-LD, but these are not the only syntaxes it can be used with. You could, for example, use it with any other RDF syntax like Turtle or … Read more
Differences between Microdata and RDFa While there are many (technical, smaller) differences, here’s a selection of those I consider important (used my answer on Webmasters as a base). Specifications As W3C’s HTML WG found no volunteer to edit the Microdata specification, it is now merely a W3C Group Note (see history), which means that there … Read more
So, to start with a couple of cliche’s and mangled metaphors – we’re talking apples and oranges a bit comparing OG and Schema.org, and when it comes to this metadata it’s horses for courses. The right answer depends on your intent, in adding metadata to your page. What is it that you’re hoping to gain? … Read more