Open-graph meta data tags introdution

Open-graph elements are meta tags that contain extra meta data of a webpage open-graph is used by Facebook to create website cards for urls shared on it's platform  cards contain website image thumbnail and as well as title, description, type and url open-graph meta tags have a property attribute containing a property prefixed by "og:"

For example;

<meta property="og:image"  content="image-url">

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