This option is very important. Cpnginx doesn’t install the google pagespeed module by default. To enable this module you may follow the given procedure.

1) Enable google pagespeed from WHM → Cpnginx → Settings
2) Compile nginx as follows

        # nginxctl nginxbuild --enable-pagespeed

This will enable google page speed module.

If google pagespeed enabled, cpnginx will automatically add a cdn domain for every virtual host. It may start with the keyword cpnginxcdn . For example if you have a domain name , then the cdn domain name will be So that you can use an external cdn service to boost the google page speed for static contents.