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mod_pagespeed release 0.10.21.2 is available as precompiled linux packages or as source. (See ReleaseNotes for information about bugs fixed)

Page Speed (http://code.google.com/speed/page-speed/) is a tool and library that identifies improvements that can be made to web-sites to improve their latency. mod_pagespeed automates the application of those rules in an Apache server. HTML, CSS, JavaScript, and images are changed dynamically during the web serving process, so that the best practices recommended by Page Speed can be used without having to change the way the web site is maintained.


  • The mod_pagespeed 0.9.0.0-128 developer preview was released Nov 3, 2010.
  • The mod_pagespeed 0.9.1.1-171 developer preview was released Nov 8, 2010.
  • The mod_pagespeed 0.9.8.1-215 developer preview was released Nov 16, 2010.
  • The mod_pagespeed 0.9.10.1-250 developer preview was released Nov 23, 2010.
  • The mod_pagespeed 0.9.11.5 developer preview was released Dec 7, 2010.
  • The mod_pagespeed 0.9.14.6 developer preview was released Jan 7, 2011.
  • The mod_pagespeed 0.9.15.3-404 developer preview was released Jan 28, 2011.
  • The mod_pagespeed 0.9.16.3 developer preview was released Mar 9, 2011.
  • The mod_pagespeed 0.9.16.9 developer preview was released Mar 16, 2011.
  • The mod_pagespeed 0.9.17.3 developer preview was released May 6, 2011.
  • The mod_pagespeed 0.9.17.6 developer preview was released May 16, 2011.
  • The mod_pagespeed 0.9.18.2 developer preview was released Jul 22, 2011.
  • The mod_pagespeed 0.9.18.6 developer preview was released Aug 4, 2011.
  • The mod_pagespeed 0.10.19.3 developer preview was released Nov 29, 2011.
  • The mod_pagespeed 0.10.19.5 developer preview was released Dec 12, 2011.
  • The mod_pagespeed 0.10.21.2 developer preview was released Feb 8, 2012.

Read about it: http://code.google.com/speed/page-speed/docs/module.html
Try it: http://www.modpagespeed.com
Download it: http://code.google.com/speed/page-speed/download.html
Check announcements: http://groups.google.com/group/mod-pagespeed-announce
Discuss it: http://groups.google.com/group/mod-pagespeed-discuss
Build from source: http://code.google.com/p/modpagespeed/wiki/HowToBuild
FAQ http://code.google.com/p/modpagespeed/wiki/FAQ
Tell us about your site: https://spreadsheets.google.com/viewform?formkey=dHBDMXpxREFhZ0owRllDREtyWmEzemc6MQ&ifq

This release is available as binary download for .deb (32-bit and 64-bit) and .rpm (32-bit and 64-bit). It has been tested on CentOS 5.4, Ubuntu 8.04, and Ubuntu 10.04.

After installing mod_pagespeed, it can be customized and configured by editing the Apache configuration file, whose location is system dependent.

Ubuntu: /etc/apache2/mods-enabled/pagespeed.conf
CentOS: /etc/httpd/conf.d/pagespeed.conf

After editing the conf file, you must restart the httpd server:

Ubuntu: sudo /etc/init.d/apache2ctl restart
CentOS: sudo /etc/init.d/httpd restart

In the absence of configuration-file options controlling Rewrite directives, a "core" set of rewriting filters will be enabled. Additional options can be added with configuration file directives, or the entire core-set can be removed so that each filter is enabled with an explicit directive.

mod_pagespeed employs a disk cache that must be configured to a directory to which httpd has write access. The default configuration file sets this to /var/mod_pagespeed/cache/. To put the cache elsewhere please edit ModPagespeedFileCachePath to the desired location. A quick glance at the Apache error log file, typically in /var/log/apache2/error.log, will indicate whether the current setting is working.

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