ISSUE-70: Does a past HTTP request with DNT set affect future HTTP requests?

Does a past HTTP request with DNT set affect future HTTP requests?

State:
CLOSED
Product:
Tracking Preference Expression (DNT)
Raised by:
Opened on:
2011-09-22
Description:
Does a server have to remember that the user had DNT set in the past?
Related Actions Items:
No related actions
Related emails:
  1. diff of TPE editing since the FPWD (from fielding@gbiv.com on 2012-01-10)
  2. Input for TPE Discussion: Issue cleanup (from mts@zurich.ibm.com on 2011-10-26)
  3. ISSUE-70: Does a past HTTP request with DNT set affect future HTTP requests? (expiration) (from sysbot+tracker@w3.org on 2011-09-22)

Related notes:

[npdoty]: take the most recent answer

22 Sep 2011, 14:25:56

[karl]: HTTP is stateless, and so the server based its responses on each message.

22 Sep 2011, 14:26:35

The answer is "No".

The WG consensus is that only the current user preference matters, since that is consistent with the stateless nature of HTTP (and would be a burden to implement otherwise).

Roy Fielding, 24 Oct 2011, 21:43:32

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Matthias Schunter <matthias.schunter@intel.com>, Chair, Bert Bos <bert@w3.org>, Staff Contact
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