I'm using mod_pagespeed with mod_cache.
When mod_pagespeed is off and mod_cache is off I see the following header:
When mod_pagespeed is on and mod_cache is off, I see the following header on the response:
cache-control:max-age=0, no-cache, must-revalidate
As expected pagespeed has rewritten the cache-control.
However, when mod_pagespeed is on and mod_cache is on I see the following:
According to the docs:
"By default, PageSpeed serves all HTML with Cache-Control: no-cache, max-age=0 because the transformations made to the page may not be cacheable for extended periods of time."
Why is the html being served as cacheable when mod_pagespeed and mod_cache is enabled?