How to speed up Nginx web server with PageSpeed

It is no secret that faster loading web sites lead to higher visitor engagement, retention and conversion rates. Every 100 msec of latency costs Amazon 1% drop in its sales, while 500 msec extra delay means 20% less traffic and revenue for Google. If there is a way to speed up your web server without upgrading to a more powerful server, there is no reason not to try it. This tutorial describes how to optimize Nginx web server to speed up its performance with Google’s PageSpeed module.