This website contains tracking information that allows admins to see Facebook Insights out of Facebook to this domain.
Google+ platform websites integration using the Google+ platform tag.
Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.
Open graph description entity tag
Open graph title entity tag
Sites who has this tag are verfied by google to use WebMaster tools