nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Russian DNS service provider
The DOCTYPE is a required preamble for HTML5 websites.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
These websites are related to turbooks.ru in terms of content, traffic and structure
tourlib.net
multisport.com.ua
tourism.ru
touradmin.ru
samouchitel.info
kniga.ru
knigafund.ru
ets-rf.ru