Certification.ru - все об обучении и сертификации специалистов по компьютрным технологиям...
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Since its creation in 2000, phpBB has become the most widely used Open Source forum solution.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
The DOCTYPE is a required preamble for HTML5 websites.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute.
The http-equiv attribute can be used to simulate an HTTP response header.
These websites are related to certification.ru in terms of content, traffic and structure