Google Publisher Tag (GPT) is an ad tagging library with which you can dynamically build ad requests. GPT takes key details from you such as ad unit name, ad size, and custom targeting, builds the request, and displays the ad on web pages or mobile apps.
AT Internet (also known as Applied Technology Internet) is a French company which was founded in 1995 and which has become European leader in the field of Web Analytics. Specialising in online web traffic measurement, and web and mobile site performance, AT Internet has for a longtime been known for its leading product XiTi. ...
Provides a widget which lets a visitor translate your webpage into a different language.
Google+ platform websites integration using the Google+ platform tag.
The Tweet Button is a small widget which allows visitors to share content and connect on Twitter.
Let visitors recommend your content on Google Search and share it on Google+.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Open graph description entity tag
Sites who has this tag are verfied by google to use WebMaster tools
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".