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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>About the W3C HTML Validation Service</title>
<meta name="revision"
content="$Id: p3p.html,v 1.3 2002-12-08 14:39:25 ville Exp $" />
</head>
<body bgcolor="#FFFFFF" text="#000000" link="#0000ee" vlink="#551a8b">
<p>
<a href="http://www.w3.org/"><img
src="http://www.w3.org/Icons/WWW/w3c_home" height="48" border="0"
alt="W3C" /></a>
</p>
<h2>About the W3C HTML Validation Service</h2>
<p>
<a href="./">This service</a> checks HTML documents for
conformance to W3C HTML and XHTML Recommendations and other
HTML standards. Related resources include:
</p>
<ul>
<li><a href="source/">Information on the source code availability</a></li>
<li><a href="todo.html">The to-do list for the service</a></li>
<li><a href="sgml-lib/catalog">DTDs (document types) supported by this
service</a> (the SGML catalog)</li>
<li><a href="http://lists.w3.org/Archives/Public/www-validator/">The
www-validator mailing list</a></li>
<li><a href="feedback.html">How to provide feedback on this service</a></li>
<!--
<li>@@ conneg'd icons
-->
</ul>
<h2><a name="others">Other resources</a></h2>
<ul>
<li><a href="http://www.w3.org/MarkUp/">W3C's HTML home page</a></li>
<li><a href="http://www.w3.org/TR/html401/">The W3C HTML 4.01
Recommendation</a></li>
<li><a href="http://www.w3.org/TR/xhtml1/">The W3C XHTML 1.0
Recommendation</a></li>
<li>The <a
href="http://www.htmlhelp.com/tools/validator/">WDG HTML
validator</a> is another excellent online validation
service</li>
<li><a href="http://arealvalidator.com/">A Real Validator</a>
is a shareware HTML syntax checker for Windows systems,
from the author of the WDG validator</li>
<!--
<li>@@ bookmarklets</li>
-->
</ul>
<h2><a name="credits">Credits</a></h2>
<p>
This service uses:
</p>
<ul>
<li>
<a href="http://www.jclark.com/">James Clark</a>'s excellent <a
href="http://www.jclark.com/sp/">SGML parser</a>,
</li>
<li>
The <a href="http://www.linpro.no/lwp/">libwww-perl library</a>
by Gisle Aas and Martijn Koster for retrieving documents.
</li>
<!--
<li>
<a href="http://www.weblint.org/~neilb/">Neil Bowers</a>' HTML
style checker, <a
href="http://www.weblint.org/">Weblint</a>.
</li>
<li>
SGML error explanations written by Scott Bigham.
</li>
-->
<li>
Patches and ideas from Terje Bless, <a
href="http://www.htmlhelp.com/%7Eliam/">Liam Quinn</a>, and
others.
</li>
</ul>
<p>
The <a
href="http://lists.w3.org/Archives/Public/www-html/1994Jul/0015">first
online HTML validation service</a> was created by <a
href="http://www.w3.org/People/Connolly/">Dan Connolly</a> and <a
href="http://www.gaither.com/mark/">Mark Gaither</a>.
</p>
<hr />
<address>
<a href="http://validator.w3.org/check/referer"><img
src="http://validator.w3.org/images/vxhtml10" height="31" width="88"
align="right" border="0" alt="Valid XHTML 1.0!" /></a>
<a href="/feedback.html">Gerald Oskoboiny</a><br />
$Date: 2002-12-08 14:39:25 $
</address>
</body>
</html>
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