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CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
Drupal is a free software package that allows you to easily organize, manage and publish your content, with an endless variety of customization
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.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
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.
Wesites using favicon rel tag
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 openclass.ru in terms of content, traffic and structure