"Rich-F" <RichF@d...> wrote in message
news:13B75073-05BB-46FF-8364-FEE58185D7CE@m......
> "Anthony Jones" wrote:
>
> >
> > That's interesting perhaps you can put me straight, this is how I
understand
> > it:-
> >
> > The purpose of the Last-Modified header is to indicate that last time
the
> > resource changed on the origin server.
> > The purpose of the If-Modified-Since header is to indicate to the server
(be
> > that the origin or a intermediate cache) the last revision of the
resource
> > the client has in its local cache.  It allows the server to respond with
an
> > empty 304 status which basically means 'go ahead and use that its still
the
> > latest version'.
> >
> > The Cache-Control header can contain a max-age value which indicates how
> > long a resource may be considered fresh before the client must
re-validate
> > the resource with the server.   The age of the cached resource is not
> > dependant on it's Last-Modified date but rather on the last time it was
> > validated or fetched from the server.
> >
> > Can you correct any misunderstanding in the above?
>
> I don't like some of the wording, but essentially it appears correct, the
> wording in that earlier sentence doesn't reflect the same facts.
>

Ok that's being a little circumspect. Come on be specifc what facts aren't
reflected??