CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Express is a fast, unopinionated, minimalist web framework for Node.js
Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.
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.