This website contains tracking information that allows admins to see Facebook Insights out of Facebook to this domain.
Yandex.Maps API. Use Yandex maps for your web site or application. Create custom maps, directions, and geoinformational services.
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