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Re: Call for Experts: How can a site determine whether it is 1st or 3rd party? [ISSUE-60]

From: Karl Dubost <karld@opera.com>
Date: Fri, 21 Oct 2011 18:22:30 -0400
Message-Id: <676F92AE-65A6-44FB-9AFC-6916F111F0AC@opera.com>
Cc: public-tracking@w3.org
To: Matthias Schunter <mts@zurich.ibm.com>

Le 14 oct. 2011 à 03:40, Matthias Schunter a écrit :
> fyi: Following a suggestion by Thomas Roessler, the page is now in the
> W3C wiki at http://www.w3.org/wiki/FirstThirdPartyDetection

* Added a link to the issue
* Removed the contributor section. A wiki is useful specifically because we tend to edit to the goal of the page not expressing our individual opinions. Plus for history there is already a log.
* I also updated the goal section with
    How can a site tell in what category it is (wrt a
    request). Identifying a group of sites belonging to the
    same commercial entity is hard. There are many cases:

        * bigco.example.com has another company
          sisterco.example.net. They could contain an additional
          HTTP header pointing to a BigCo sitemap containing a
          list of all subcompanies. ISSUE: This format doesn't
          exist and it is very unlikely to have a consensus
          about it in a short time. It would be very hard to
          maintain. Specifically with companies having hundred
          of Web sites across the world (different TLDs),
          promotional Web sites (for example movie site which
          lasts usually a couple of years and dies), etc.

        * example.com/littleCo and example.com/tinyCo sharing
          the same example.com. There are plenty of small
          businesses out there sharing the same domain name. The
          domain name in this case is not anymore a good
          metaphor for exposing the commercial entity. There can
          be thousands of commercial entities under the same
          domain name but having different paths.

    Because of at least these two cases, any associated
    sites should always be considered third party with
    regards to the first one. Note that it doesn't solve the
    second case of businesses sharing the same domain name.

Karl Dubost - http://dev.opera.com/
Developer Relations & Tools, Opera Software
Received on Friday, 21 October 2011 22:23:03 UTC

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