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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>W3C HTML Validation Service</title>
<link rev="made" href="mailto:gerald@w3.org" />
<meta name="keywords" content="HTML, Hypertext Markup Language, Validation,
W3C HTML Validation Service" />
<meta name="description" content="W3C's easy-to-use
HTML validation service, based on an SGML parser." />
</head>
<body bgcolor="#FFFFFF" text="#000000" link="#0000ee" vlink="#551a8b">
<p>
<a href="http://www.w3.org/"><img align="left"
src="http://www.w3.org/Icons/WWW/w3c_home" height="48" border="0"
alt="W3C" /></a>
</p>
<p align="right" class="navbar">
<a href="about.html">About this service</a> |
<a href="whatsnew.html">What's new</a> |
<a href="source/">Source code</a> |
<a href="feedback.html">Feedback</a><br clear="right"/>
<a href="file-upload.html">Upload files</a> |
<a href="http://lists.w3.org/Archives/Public/www-validator/">www-validator archives</a> |
<a href="http://jigsaw.w3.org/css-validator/">CSS validator</a> |
<a href="checklink">Link checker</a><br clear="right"/>
<a href="http://www.w3.org/People/Raggett/tidy/">HTML Tidy</a> |
<a href="http://www.w3.org/MarkUp/">HTML home</a> |
<a href="http://www.w3.org/TR/html401/">HTML 4.01</a> |
<a href="http://www.w3.org/TR/xhtml1/">XHTML 1.0</a>
<br clear="all" />
</p>
<h1>HTML Validation Service</h1>
<p>
Welcome to the W3C HTML Validation Service.
It checks HTML documents for conformance to W3C HTML and
XHTML Recommendations and other HTML standards.
Recent updates include:
</p>
<ul>
<li><a href="whatsnew.html#2000-10-18">Added support for ISO-HTML</a>
<small>(October 18, 2000)</small></li>
<li><a href="whatsnew.html#2000-06-30">XHTML documents are
now checked for validity</a>
<small>(June 30, 2000)</small></li>
<li><a href="whatsnew.html#2000-04-28">Added file upload
feature</a>
<small>(April 28, 2000)</small></li>
<li><a href="whatsnew.html">more...</a></li>
</ul>
<p>
<a name="byURI">Enter</a> the address (<a
href="http://www.w3.org/Addressing/#terms">URI</a>) of a
document you would like to validate:
</p>
<form method="get" action="/check">
Address: <input name="uri" size="50" /><br />
Doctype:
<select name="doctype">
<option>Inline</option>
<option>XHTML 1.0 Strict</option>
<option>XHTML 1.0 Transitional</option>
<option>XHTML 1.0 Frameset</option>
<option>HTML 4.01 Strict</option>
<option>HTML 4.01 Transitional</option>
<option>HTML 4.01 Frameset</option>
<option>HTML 2.0</option>
<option>HTML 3.0 (AdvaSoft version)</option>
<option>HTML 3.2</option>
<option>HTML 3.2 + Style</option>
<option>HTML Pro</option>
<option>Spyglass HTML 2.0 Extended</option>
<option>HTML Level Cougar</option>
<option>HTML 4.0 Strict</option>
<option>HTML 4.0 Transitional</option>
<option>HTML 4.0 Frameset</option>
</select>
<table cellpadding="0" cellspacing="0">
<!--
<tr>
<td>
<input name="weblint" type="checkbox" value="" /> Include <a
href="http://www.weblint.org/">Weblint</a>
results
</td>
<td>
<input name="pw" type="checkbox" value="" /> run Weblint
in "pedantic" mode
</td>
</tr>
-->
<tr>
<td>
<input name="ss" type="checkbox" value="" /> Show source input
</td>
<td>
<input name="outline" type="checkbox" value="" /> Show an outline of this
document<br />
</td>
</tr>
<tr>
<td>
<input name="sp" type="checkbox" value="" /> Show parse tree
</td>
<td>
<input name="noatt" type="checkbox" value="" /> exclude
attributes from the parse tree<br />
</td>
</tr>
</table>
<input type="submit" value="Validate this page" />
<input type="reset" value="Reset this form" />
</form>
<p>
Alternatively, you can <a href="file-upload.html">upload
files</a> from your computer to have them checked.
</p>
<p>
You can also check your <a
href="http://www.w3.org/Style/CSS/">Cascading Style Sheets</a> using
W3C's <a
href="http://jigsaw.w3.org/css-validator/">CSS Validation Service</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: 2001-03-08 01:57:52 $
</address>
</body>
</html>
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