nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
SoftLayer web hosting services. Acquired by IBM.
Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.
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.