nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The DOCTYPE is a required preamble for HTML5 websites.
Websites using https protocol.
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 portfolios.ru in terms of content, traffic and structure
joomla-master.org
bywi.ru
portfoliopen.com
cooltext.com
alexarts.ru
kitich.com
masterseti.ru
piter-design.ru