Posted by vacilando on November 4, 2010 at 9:46am
Has anyone found Google's mod_pagespeed for Apache beneficial for Pantheon? Any plans to include it in Pantheon/Mercury 1.1?
Can Pantheon benefit from mod_pagespeed?
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re: Can Pantheon benefit from mod_pagespeed?
We've not had a chance to test mod_pagespeed yet, but are planning to see it it can be used to speed up authenticated traffic (since varnish takes care of anonymous traffic quite well).
Greg
--
Greg Coit
Systems Administrator
http://www.chapterthree.com
Mod_pagespeed without Varnish
I had disabled varnish in one of our production sites which used the mercury 1.1 AMI as a base. (Varnish disabled due to some caching issues which I have not had time to trouble-shoot).
I installed mod_pagespeed in this server (http://www.organix.com) yesterday after being alerted by this post i. We saw an immediate increase in our Yslow score from 85% to 92% (Yslow - Version 2). But much more amazing was a decrease in loading the home page from 4.1 seconds to less than 0.4 seconds (all caches cleared locally at client-browser). This is after switching off some scripts and external links (google.ga, facebook stream, doubleclick ads etc) which adds about a second more.
Greg, I think even without Varnish effect, its totally worthwhile including the apache module. More so because my gut feeling tells me Google will be using this module in future for their page rank algorithm - they have already indicated that page speed will be a factor in the algorithm.
Its easy to install and would probably be included in the Ubuntu repositories quite soon.
Warm regards,
Aruna
Issues?
Has anyone had issues trying to run this on the 1.1 setup?