Tynt Insight lets you see what content is being copied/pasted off your site and use this information to drive site traffic and increase revenue.
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.
Sites who has this tag are verfied by google to use WebMaster tools
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.