A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
LiteSpeed web server is a light-weight server which conserves resources without sacrificing performance, security, compatibility, or convenience. It is capable of handling multiple concurrent clients with minimal memory consumption and CPU usage.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".