mod_pagespeed是谷歌发布的加速httpd的优化模块，通过自动优化代码、压缩传输内容、自动缓存加速http，支持Centos/Debian系统。
Centos/Fedora下安装：
#https://www.haiyun.me
#32位
wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_i386.rpm
#64位
wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_x86_64.rpm
yum install at
rpm -U mod-pagespeed-*.rpmDebina/Ubuntu下安装：
#32位
wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_i386.deb
#64位
wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_x86_64.deb
dpkg -i mod-pagespeed-*.deb重启httpd：
services httpd restart查看pagespeed是否加载：
httpd -M|grep pagespeed