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Re: [Recipes] Puzzle with HTTP Accept, Firefox header plug-in and RDF

From: Michael Hausenblas <michael.hausenblas@deri.org>
Date: Thu, 12 Feb 2009 16:06:45 +0000
To: Antoine Isaac <aisaac@few.vu.nl>
CC: SWD WG <public-swd-wg@w3.org>
Message-ID: <C5B9F995.1DA8%michael.hausenblas@deri.org>


Antoine,

Looking with Lieve HTTP Headers [1] at it reveals:

http://www.w3.org/2008/05/skos

GET /2008/05/skos HTTP/1.1
Host: www.w3.org
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US;
rv:1.9.0.6) Gecko/2009011912 Firefox/3.0.6 Ubiquity/0.1.5
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Cookie: cookieb2evosession=40683232_PTshlwyIwCZWHsqq5XPOyKEpRE871CAb;
wikidb_videofrag_UserID=3; wikidb_videofrag_UserName=MichaelHausenblas;
wikidb_videofrag_Token=15b7495d472a027f9457074971babe27;
wikidb_videofrag__session=71e936fac2e15457dd82fee2466625e7

HTTP/1.x 303 See Other
Date: Thu, 12 Feb 2009 15:59:34 GMT
Server: Apache/2
Location: http://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html
Cache-Control: max-age=21600
Expires: Thu, 12 Feb 2009 21:59:34 GMT
Content-Length: 269
Connection: close
Content-Type: text/html; charset=iso-8859-1
----------------------------------------------------------
http://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html

GET /TR/2008/WD-skos-reference-20080829/skos.html HTTP/1.1
Host: www.w3.org
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US;
rv:1.9.0.6) Gecko/2009011912 Firefox/3.0.6 Ubiquity/0.1.5
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Cookie: cookieb2evosession=40683232_PTshlwyIwCZWHsqq5XPOyKEpRE871CAb;
wikidb_videofrag_UserID=3; wikidb_videofrag_UserName=MichaelHausenblas;
wikidb_videofrag_Token=15b7495d472a027f9457074971babe27;
wikidb_videofrag__session=71e936fac2e15457dd82fee2466625e7

HTTP/1.x 200 OK
Date: Thu, 12 Feb 2009 15:59:34 GMT
Server: Apache/2
Last-Modified: Wed, 01 Oct 2008 15:25:07 GMT
Etag: "65d8-45832b483fac0"
Accept-Ranges: bytes
Content-Length: 26072
Cache-Control: max-age=31536000
Expires: Fri, 12 Feb 2010 15:59:34 GMT
P3P: policyref="http://www.w3.org/2001/05/P3P/p3p.xml"
Connection: close
Content-Type: text/html; charset=utf-8
----------------------------------------------------------
http://www.w3.org/StyleSheets/TR/base

GET /StyleSheets/TR/base HTTP/1.1
Host: www.w3.org
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US;
rv:1.9.0.6) Gecko/2009011912 Firefox/3.0.6 Ubiquity/0.1.5
Accept: text/css,*/*;q=0.1
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html
Cookie: cookieb2evosession=40683232_PTshlwyIwCZWHsqq5XPOyKEpRE871CAb;
wikidb_videofrag_UserID=3; wikidb_videofrag_UserName=MichaelHausenblas;
wikidb_videofrag_Token=15b7495d472a027f9457074971babe27;
wikidb_videofrag__session=71e936fac2e15457dd82fee2466625e7

HTTP/1.x 200 OK
Date: Thu, 12 Feb 2009 15:59:35 GMT
Server: Apache/2
Content-Location: base.css
Vary: negotiate
TCN: choice
Accept-Ranges: bytes
Cache-Control: max-age=604800
Expires: Thu, 19 Feb 2009 15:59:35 GMT
P3P: policyref="http://www.w3.org/2001/05/P3P/p3p.xml"
Connection: close
Transfer-Encoding: chunked
Content-Type: text/css
----------------------------------------------------------
http://www.w3.org/TR/2008/WD-skos-reference-20080829/extras.css

GET /TR/2008/WD-skos-reference-20080829/extras.css HTTP/1.1
Host: www.w3.org
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US;
rv:1.9.0.6) Gecko/2009011912 Firefox/3.0.6 Ubiquity/0.1.5
Accept: text/css,*/*;q=0.1
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html
Cookie: cookieb2evosession=40683232_PTshlwyIwCZWHsqq5XPOyKEpRE871CAb;
wikidb_videofrag_UserID=3; wikidb_videofrag_UserName=MichaelHausenblas;
wikidb_videofrag_Token=15b7495d472a027f9457074971babe27;
wikidb_videofrag__session=71e936fac2e15457dd82fee2466625e7

HTTP/1.x 200 OK
Date: Thu, 12 Feb 2009 15:59:35 GMT
Server: Apache/2
Last-Modified: Thu, 28 Aug 2008 20:02:01 GMT
Etag: "ab0-4558a9c2ec040"
Accept-Ranges: bytes
Content-Length: 2736
Cache-Control: max-age=604800
Expires: Thu, 19 Feb 2009 15:59:35 GMT
P3P: policyref="http://www.w3.org/2001/05/P3P/p3p.xml"
Connection: close
Content-Type: text/css
----------------------------------------------------------

Which means that FF3 has a slight preference for

application/xhtml+xml,application/xml;q=0.9,

compared to

*/*;q=0.8

for all other stuff (incl. RDF ;)

See also [2] for more details.

Cheers,
      Michael

[1] https://addons.mozilla.org/en-US/firefox/addon/3829
[2] http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
-- 
Dr. Michael Hausenblas
DERI - Digital Enterprise Research Institute
National University of Ireland, Lower Dangan,
Galway, Ireland, Europe
Tel. +353 91 495730
http://sw-app.org/about.html
http://webofdata.wordpress.com/


> From: Antoine Isaac <aisaac@few.vu.nl>
> Date: Thu, 12 Feb 2009 16:39:02 +0100
> To: SWD WG <public-swd-wg@w3.org>
> Subject: [Recipes] Puzzle with HTTP Accept, Firefox header plug-in and RDF
> Resent-From: <public-swd-wg@w3.org>
> Resent-Date: Thu, 12 Feb 2009 15:39:36 +0000
> 
> http://www.w3.org/2008/05/skos
Received on Thursday, 12 February 2009 16:07:29 GMT

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