nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.
Website using the € symbol on their website - meaning it may accept payment in Euros.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
Indicates that the site provides an interface specifically for searching the document and its related resources.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".