Tynt Insight lets you see what content is being copied/pasted off your site and use this information to drive site traffic and increase revenue.
The Tweet Button is a small widget which allows visitors to share content and connect on Twitter.
Open graph description entity tag
Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.
By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears.