LinkWithin is a blog widget that appears under each post, linking to related stories from your blog archive.
Yandex.Maps API. Use Yandex maps for your web site or application. Create custom maps, directions, and geoinformational services.
LiveInternet - крупный сервис дневников и сообществ, авторитетный сервис статистики для сайтов.
Let visitors recommend your content on Google Search and share it on Google+.
Google+ platform websites integration using the Google+ platform tag.
The website supports openid single digital identity via the use of OpenID.
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.