Edit ISSUE-121: Should DNT header field be sent with an empty field value if user agent supports DNT but the user has not set a preference?

Nickname:

Title:

State:

Product:

Raised By:

Description:

Add notes (no markup allowed, URIs get automatically hyperlinked):

Related emails:

  1. Re: ISSUE-121 Re: ACTION-84: Wiley to describe the reason for setting DNT=null (from karld@opera.com on 2012-02-10) (from karld@opera.com on 2012-02-10)
  2. RE: ISSUE-121 Re: ACTION-84: Wiley to describe the reason for setting DNT=null (from wileys@yahoo-inc.com on 2012-02-10) (from wileys@yahoo-inc.com on 2012-02-10)
  3. ISSUE-121 Re: ACTION-84: Wiley to describe the reason for setting DNT=null (from karld@opera.com on 2012-02-10) (from karld@opera.com on 2012-02-10)
  4. ISSUE-106: Responses on cached objects (from mts@zurich.ibm.com on 2012-02-07) (from mts@zurich.ibm.com on 2012-02-07)
  5. RE: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from wileys@yahoo-inc.com on 2012-02-01) (from wileys@yahoo-inc.com on 2012-02-01)
  6. Re: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from npdoty@w3.org on 2012-02-01) (from npdoty@w3.org on 2012-02-01)
  7. RE: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from wileys@yahoo-inc.com on 2012-02-01) (from wileys@yahoo-inc.com on 2012-02-01)
  8. Re: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from john@consumerwatchdog.org on 2012-02-01) (from john@consumerwatchdog.org on 2012-02-01)
  9. RE: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from kevsmith@adobe.com on 2012-02-01) (from kevsmith@adobe.com on 2012-02-01)
  10. Re: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from npdoty@w3.org on 2012-02-01) (from npdoty@w3.org on 2012-02-01)
  11. RE: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from wileys@yahoo-inc.com on 2012-02-01) (from wileys@yahoo-inc.com on 2012-02-01)
  12. Re: tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from npdoty@w3.org on 2012-02-01) (from npdoty@w3.org on 2012-02-01)
  13. Agenda for 2012-02-01 call (V02: added more incoming issues with text) (from mts@zurich.ibm.com on 2012-01-31) (from mts@zurich.ibm.com on 2012-01-31)
  14. Re: ACTION-84: Wiley to describe the reason for setting DNT=null (from mts@zurich.ibm.com on 2012-01-31) (from mts@zurich.ibm.com on 2012-01-31)
  15. tracking-ISSUE-121: Should a user agent advertise its DNT ability by, e.g., sending DNT;NULL [Tracking Preference Expression (DNT)] (from sysbot+tracker@w3.org on 2012-01-31) (from sysbot+tracker@w3.org on 2012-01-31)

Related notes:

2012-01-30 Matthias responds: I see that detecting DNT user agents is useful.
(A) Discuss: There might be alternative (and cheaper) ways to discover DNT capability.
- responding with opt-back-in request (ignored if no DNT)
- Javascript API
- User agent string
[more?]
(B) If DNT preference has not been collected, DNT is disabled and thus user agent will behave as if no DNT present?

Matthias Schunter, 31 Jan 2012, 09:39:59

Correct issue title so that it makes sense.

Roy Fielding, 16 Feb 2012, 00:11:21


Matthias Schunter <matthias.schunter@intel.com>, Chair, Bert Bos <bert@w3.org>, Staff Contact
Tracker: documentation, (configuration for this group), originally developed by Dean Jackson, is developed and maintained by the Systems Team <w3t-sys@w3.org>.
$Id: index.php,v 1.325 2014-09-10 21:42:02 ted Exp $