Open Graph tags is a protocol (i.e. a set of rules) that is used to integrate any web page into the social graph. For example, Facebook can be your social graph or social circle.
Using of Open Graph protocol, you can tell Facebook how to render your shared content to displayed on Facebook.
Open Graph Meta Tags Example
To enable your web page into a graph object, you need to use Open Graph meta tags.
Following are examples of such meta tags:
<meta property="og:title" content=""/>
<meta property="og:type" content=""/>
<meta property="og:url" content=""/>
<meta property="og:image" content=""/>
<meta property="fb:admins" content=""/>
<meta property="og:site_name" content=""/>
<meta property="og:description" content=""/>
