General meta tags

<title>Up to 70 Characters of Keyword-relevant text here</title>
<meta name=”description” content=”Approximately 140 words or less of text about your company”>

Google specific meta tag

<link rel=”author” href=”link to your google+ account“/>

Facebook meta tag:

Title tag

<meta property=”og:title” content=”Title of your blog”/>

Property tag

<meta property=”og:type” content=”article”/>

Image tag

<meta property=”og:image” content=”http://www.3rddesign.com/some-thumbnail.jpg”/>

URL tag

<meta property=”og:url” content=”http://docs.3rddesign.com”/>

Description tag

<meta property=”og:description” content=”just a simple article description would do the trick here”/>

Facebook admin

*Important if you want to link up facebook insights to a particular page

<meta property=”fb:admins” content=”USER_ID”/>