Google released new techniques for website optimizing. It's known as "mod_pagespeed".

I've an Apache server and I don't know very well what I ought to do in order to install the brand new feature of Google.

How do i arrange it?

As already stated, the first beginning point ought to be mod_pagespeed's home page which on the quick glance looks excellent and well-recorded.

Apart from that, "how to setupInch is definitely an very broad question. As mod_pagespeeds portal page states, page optimisation is really a complex problem. You should get began with this documentation can there be, and return if you have specific questions concerning how to implement something.