Technologies in use by

Website using the € symbol on their website - meaning it may accept payment in Euros.

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

The Apache HTTP Server is an open-source HTTP server for modern operating systems including UNIX, Microsoft Windows, Mac OS/X and Netware. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services observing the current HTTP standards. Apache has been the most popular web server ...

The DOCTYPE is a required preamble for HTML5 websites.