This website contains tracking information that allows admins to see Facebook Insights out of Facebook to this domain.
LiveInternet - крупный сервис дневников и сообществ, авторитетный сервис статистики для сайтов.
The VK comments widget lets you add comments to your site in a matter of minutes. Installing the ... Read more on the advantages of the VK comment widget. 1.
A pingback is one of four types of linkback methods for Web authors to request notification when somebody links to one of their documents. This enables authors to keep track of who is linking to, or referring to their articles.