To fully appreciate Nginx, the web server, it helps to understand Batman, the comic book character.

Batman is fast. Nginx is fast. Batman fights crime. Ngine fights wasted CPU cycles and memory leaks. Batman performs well under pressure. Nginx, for its part, excels under heavy server loads.

But Batman would be almost nothing without the Batman utility belt.

Start to learn Batman utilities

http://emiller.info/nginx-modules-guide.html