How to install mod pagespeed on centos

Installing mod_pagespeed for cPanel Apache installation on CentOS is really quite easy. Connect your server SSH via root user.

cd /usr/local/src

mkdir mod_pagespeed

cd mod_pagespeed

Download the mod_pagespeed RPM to build. Please make sure which arch is your server. If you have a 32-bit install of CentOS you can find your appropriate package on Google’s Installing mod_pagespeed From Packages page.

yum install at  # if you do not already have ‘at’ installed

Mostly apache version 2.2 support for this mod pagespeed version (httpd >= 2.2 is needed by mod-pagespeed-stable-1.4.26.4-3396.x86_64)

wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-stable_current_x86_64.rpm

rpm2cpio mod-pagespeed-stable_current_x86_64.rpm | cpio -idmv

Copy mod pagespeed.so file to apache module directory

cp usr/lib64/httpd/modules/mod_pagespeed.so /usr/local/apache/modules/

chmod 755 /usr/local/apache/modules/mod_pagespeed.so

mkdir -p /var/mod_pagespeed/{cache,files}

chown nobody.nobody /var/mod_pagespeed/*

Open pagespeed configuration file.

vi /usr/local/apache/conf/pagespeed.conf

LoadModule pagespeed_module /usr/local/apache/modules/mod_pagespeed.so

<IfModule pagespeed_module>
    ModPagespeed on
ModPagespeedFetchWithGzip on
SetOutputFilter DEFLATE

    AddOutputFilterByType MOD_PAGESPEED_OUTPUT_FILTER text/html

ModPagespeedFileCachePath            "/var/mod_pagespeed/cache/"
ModPagespeedGeneratedFilePrefix      "/var/mod_pagespeed/files/"

ModPagespeedRewriteLevel PassThrough

ModPagespeedFileCacheSizeKb          102400
ModPagespeedFileCacheCleanIntervalMs 3600000
ModPagespeedLRUCacheKbPerProcess     1024
ModPagespeedLRUCacheByteLimit        16384
ModPagespeedCssInlineMaxBytes        2048
ModPagespeedImageInlineMaxBytes      2048
ModPagespeedCssImageInlineMaxBytes   2048
ModPagespeedJsInlineMaxBytes         2048
ModPagespeedCssOutlineMinBytes       3000
ModPagespeedJsOutlineMinBytes        3000

ModPagespeedEnableFilters extend_cache,combine_css,move_css_to_head,rewrite_javascript,rewrite_images,add_head,rewrite_css,collapse_whitespace,remove_comments,remove_quotes,sprite_images,convert_meta_tags
ModPagespeedRespectVary on

    <Location /mod_pagespeed_beacon>
          SetHandler mod_pagespeed_beacon
    </Location>

    <Location /mod_pagespeed_statistics>
        Order allow,deny
        Allow from localhost
        Allow from 127.0.0.1
        SetHandler mod_pagespeed_statistics
    </Location>
</IfModule>

Make a copy of your apache configuration httpd.conf file.

cp /usr/local/apache/conf/httpd.conf /usr/local/apache/conf/httpd.conf_back

Edit and include the pagespeed configuration.

vi /usr/local/apache/conf/httpd.conf

Include “/usr/local/apache/conf/pagespeed.conf”

Save and restart apache service.

/etc/init.d/httpd restart

Thats finished… Test your page speed modules on website headers.

curl -I http://yourwebsite.com

HTTP/1.1 200 OK
Date: Wed, 17 Oct 2012 06:58:03 GMT
Server: Apache
X-Mod-Pagespeed: 1.0.22.7-2005
Cache-Control: max-age=0, no-cache
Vary: Accept-Encoding
Connection: close
Content-Type: text/html

You have successfully installed mod_pagespeed module on your cPanel server.