Twitter Card API

twitter-cards.html

<!-- Generic Meta Tags -->
<meta name="twitter:card" content="Summary">
<meta name="twitter:url" content="http://your-url.com">
<meta name="twitter:title" content="Some Title">
<meta name="twitter:description" content="Some description.">
<meta name="twitter:image" content="image.png">

<meta name="twitter:site" content="@userName">
<meta name="twitter:creator" content="@userName">

<!-- Video Meta Tags -->
<meta name="twitter:image:width" content="600">
<meta name="twitter:image:height" content="600">

<meta name="twitter:player" content="http://video-url.com">
<meta name="twitter:player:width" content="435">
<meta name="twitter:player:height" content="251">
<meta name="twitter:player:stream" content="http://video-url.com">
<meta name="twitter:player:stream:content_type" content="video/mp4; codecs="avc1.42E01E1, mpa.40.2"">