我在服务器上安装了mod_pagespeed（CentOs 6，easyApache 4，wpan Cpanel）
[root@ns3068758 ~]# curl -I localhost
HTTP/1.1 200 OK
Date: Sun, 23 Dec 2018 09:51:57 GMT
Server: Apache
Upgrade: h2,h2c
Connection: Upgrade
Accept-Ranges: bytes
X-Mod-Pagespeed: 1.13.35.2-0
Vary: Accept-Encoding
Cache-Control: max-age=0, no-cache
Content-Length: 163
Content-Type: text/html
登录cpanel帐户时，不存在google pagespeed。像这样： https://www.alphansotech.com/wp-content/uploads/2016/02/page-speed-cpanel.jpg
