Websites using some form of Captcha technology on them.
Version 7 of Drupal.
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.
Gentoo Linux operating system
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Yahoo Business Mail offers you a customized business email
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.
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.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".
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