Re: last update

Brian Behlendorf (brian@organic.com)
Tue, 9 Jan 1996 13:47:02 -0800 (PST)


Date: Tue, 9 Jan 1996 13:47:02 -0800 (PST)
From: Brian Behlendorf <brian@organic.com>
To: Abigail <abigail@tungsten.gn.iaf.nl>
Cc: www-html@w3.org
Subject: Re: last update
In-Reply-To: <199601082159.WAA23789@tungsten.gn.iaf.nl>
Message-Id: <Pine.SGI.3.91.960109134449.10147O-100000@fully.organic.com>

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.

	Brian

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