Open Graph code example

Example 1: meta og:image

<meta property="og:image" content="https://example.com/ogp.jpg" />
<meta property="og:image:secure_url" content="https://secure.example.com/ogp.jpg" />
<meta property="og:image:type" content="image/jpeg" />
<meta property="og:image:width" content="400" />
<meta property="og:image:height" content="300" />
<meta property="og:image:alt" content="A shiny red apple with a bite taken out" />

Example 2: meta property="og:description"

<meta property="og:image" content="https://example.com/rock.jpg" />
<meta property="og:image:width" content="300" />
<meta property="og:image:height" content="300" />
<meta property="og:image" content="https://example.com/rock2.jpg" />
<meta property="og:image" content="https://example.com/rock3.jpg" />
<meta property="og:image:height" content="1000" />

Example 3: open graph zalo

<meta property="og:title" content="The Rock" /><meta property="og:type" content="video.movie" /><meta property="og:url" content="http://www.imdb.com/title/tt0117500/" /><meta property="og:image" content="http://ia.media-imdb.com/images/rock.jpg" />