HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as valign.
<td> elements no longer accept a valign attribute. This can be achieved using CSS like this:
<td style="vertical-align:middle;">content</td>Still checking your large sites one page at a time?
Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.