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Validity of W3C Member homepages over time

From: Bjoern Hoehrmann <derhoermi@gmx.net>
Date: Mon, 22 Nov 2004 18:04:13 +0100
To: public-evangelist@w3.org
Message-ID: <41a9170d.43655468@smtp.bjoern.hoehrmann.de>


  Based on http://www.w3.org/Consortium/Member/List I've collected data
on how well the W3C Member homepages pass the W3C MarkUp Validator. The
data from 2004-07-07 to 2004-11-22 can be found at


The zip archive contains a data.tsv file which has all the data in tab-
separated fields, lots of compressed SVG images generated using Ploticus
showing the number of errors reported by the Validator over time; value
-1 means that there were no results from the Validator (site unreachable
and encoding errors would be common problems that cause this); finally,
there is a all.html file which references all the SVG images. As an


would be the chart for America Online, Inc. (AOL). Note that the data
depends on the online version of the W3C MarkUp Validator and may thus
be inaccurate in a number of ways, for example, if the homepage has a
<meta> redirect it checks the redirect page for errors, not the actual

Received on Monday, 22 November 2004 17:04:44 UTC

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