Re: last update

john (John.Heaton@nessie.mcc.ac.uk)
Wed, 10 Jan 1996 10:30:42 +0100 (MET)


From: john <John.Heaton@nessie.mcc.ac.uk>
Message-Id: <3260.9601101030@goshawk.mcc.ac.uk>
Subject: Re: last update
To: brian@organic.com (Brian Behlendorf)
Date: Wed, 10 Jan 1996 10:30:42 +0100 (MET)
Cc: www-html@w3.org
In-Reply-To: <Pine.SGI.3.91.960109134449.10147O-100000@fully.organic.com> from "Brian Behlendorf" at Jan 9, 96 01:47:02 pm

> 
> On Mon, 8 Jan 1996, Abigail wrote:
> > Imagine More!!! wrote:
> > ++ <address>Last updated on <!--#exec cgi="/cgi-bin/update?foo.html"-->
> > ++ </address>		
> > 
> > Reader visits your page, downloads 50k data, storing in her cache.
> > From the page, she goes to the next page, and the next.
> > After a few pages, she selects 'top' (pointing to your first page).
> > Her browser sends a 'get-if-modified' request. The server knows the
> > requested document has an SSI, so the requested document has to be
> > genereted *now* and is hence "modified", sending 50k again....
> > However, she has identical information in her cache.
> 
> For what it's worth, I believe that if the user used
> 
> <!--#echo var="LAST_MODIFIED" -->  
> 
> the server will attach a last-modified header appropriately, and properly 
> deal with if-modified-since requests.

Only if Server-Side-Includes work on your server and if they are enabled. We
have SSI disabled on our systems at MCC.

John

> 
> 	Brian
> 
> --=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--
> brian@organic.com  brian@hyperreal.com  http://www.[hyperreal,organic].com/
> 

-- 
  John Heaton                      Phone: (+44 161)/(0161) 275-6011
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