[Zope] Zope Cacheability

[Paul Everitt]

Jeff Rush wrote:
> 
> On Thu, 28 Oct 1999 10:09:38 +1000, Garth T Kidd wrote:
> 
> >Why zpowered.jpg is cacheable but none of the others are is beyond me.
> >Whatever's going on, though, we should fix it. There's no reason those guys
> >can't be sending an accurate Last-modified and a reasonable Expires (say, an
> >hour or a day in the future -- how often are you going to change 'em?).

Yep.  In our defense, caching is tough to do in a way that doesn't
silently break certain browsers.  "First do no harm." :^)

> >The goal is simple: figure out what modifications can be made to Zope's
> >basic items so that they're at least reasonably cacheable. The best
> >reference for figuring out what headers we want to generate is probably
> >Mark's Caching Tutorial for Web Authors and Webmasters:
> >
> >  http://www.mnot.net/cache_docs/

Yep, that's definately the definitive document.

> I'm off to read it so we can talk.  I need to learn more re caching anyway
> to fix my dynamic image update problem.

Please do.  I'd like to have some people with the time and expertise to
look at this hard and advise us what to do.  The performance win is too
significant to pass up.

--Paul