Re: Improving If-Modified-Since

> Roy's point is that Netscape also sends IMS along with *all* cached requests.
> That's what's causing so many Netscape caches to get stuck with junk
> which the user cannot refresh, and the only solution is to clear your
> entire Netscape cache.
> 
> "Pragma: no-cache" is not aimed at end servers (only proxies in between),
> so the end servers are always asked to respond "304 Not Modified".
> 
> As Roy says, fix that and most of the problems will go away.

"fix" is an interresting choice of words.  "change" is more appropriate.
Not sending an "if-modified-since" header with reloads would be extremely
costly in terms of bandwidth.  Adding cache checksums is a much better 
solution.

:lou
-- 
Lou Montulli                 http://www.mcom.com/people/montulli/
       Netscape Communications Corp.

Received on Tuesday, 15 August 1995 14:52:43 UTC