Page load improvements with Google's mod_pagespeed and memcached

A couple of weeks back I mentioned that mod_pagespeed now has support for memcached, so I was curious and enabled it on our web servers. Recently I've checked the page speed  section on Google Analytics and so far I'm very pleased with the results.

I sample a page that's gets heavy usage and also has lots of images on it, this shows 70% of page load samples loaded between 1-3 seconds.

mod_pagespeed file cache stats
mod_pagespeed with file cache

After upgrading mod_pagespeed and enabling memcached, it now shows that 45% of page load samples loaded between 0-1 seconds and 41% between 1-3 seconds.

mod_pagespeed with memcached enabled

My memcached server stats

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