- From: Koen Holtman <koen@hep.caltech.edu>
- Date: Mon, 11 Dec 2000 14:58:02 -0800 (PST)
- To: Louis Theran <louis.theran@nokia.com>
- cc: www-talk@w3.org
I can't answer all of these, but... On 10 Dec 2000, Louis Theran wrote: > > Has anybody done a survey of how common HTTP clients generate > conditional GET requests? (A quick search didn't turn up anything > interesting.) > > I'm mostly interested in: > > * Whether If-None-Match is used at all I don't know. You might be able to find statistics about the use of this header on the W3C's web characterisation pages. > > * Whether Last-Modified timestamps are really being used as nonces Most, if not all, modern browsers will only send if-modified-since headers with exacly the same date as was in the last-modified header of the response they try to revalidate. > > * Whether ``Cache-Control: max-age=...'' is respected All HTTP/1.1 implementations should, and I believe that by now most of the browsers and proxy caches out there implement HTTP/1.1. Koen.
Received on Monday, 11 December 2000 17:58:13 UTC