<link rel="image_src" type="image/jpeg" href="圖片位置" />
<link rel="audio_src" type="audio/mpeg" href="聲音位置" />
<link rel="video_src" type="application/x-shockwave-flash" href="影片位置" />
<meta name="description" content="摘要文字">
詳細說明請參閱
http://www.niallkennedy.com/blog/2009/03/enhanced-social-share.html