mod_pagespeed is an open source module for Apache web server that automatically optimize Web Pages to improve better performance while serving web pages using Apache HTTP Server. It has several filters that automatically optimize files like HTML, CSS, JavaScript, JPEG, PNG and other resources.
Step 1: Enabling Google’s mod_pagespeed Repository
Create a file called /etc/yum.repos.d/mod-pagespeed.repo with the help of your favourite editor and add the following lines of code to it based on your OS bit. Read More