OpenGraph Facebook

<html prefix="og: http://ogp.me/ns#">
<head>
<meta property="og:title" content="Titolo" />
<meta property="og:description" content="Descrizione su facebook" />
<meta property="og:type" content="article" />
<meta property="og:url" content="http://www.imdb.com/title/tt0117500/" />
<meta property="og:image" content="http://img.iltuosito.com/img.png" />
</head>
</html>