The Doctor What writes:
> I was looking at the cacheability of my website in zope, and saw
> that the misc_/OFSP/*.gif images (as in the icon objects) are
> NOT cacheable because they don't return *any* date info. If they
> *at least* returned a Last Modified, they'd be cacheable.
My browser (Netscape 4.74) happily cashes these images.
It is not clear, why a "Last Modified" header should be a precondition
for caching.
I would expect it is only necessary, if you told your browser
(or other cache) to verify freshness for each request.
If the browser has a "Last Modified", it sends an
"If-Modified-Since" header and get a 304 response,
if not.
Dieter
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