Open Graph

<meta property="og:type" content="website">
<meta property="og:locale" content="en\_CA">
<meta property="og:title" content="HTML cheatsheet">
<meta property="og:url" content="https://quickref.me/html">
<meta property="og:image" content="https://xxx.com/image.jpg">
<meta property="og:site\_name" content="Name of your website">
<meta property="og:description" content="Description of this page">

Used by Facebook, Instagram, Pinterest, LinkedIn, etc.