This extension adds a new button to the validation bar. When you click the button, it validates the current online HTML page using W3C validation service and displays the result in a new tab. Please ensure that the URL contains the full file path such as http://example.com/index.html.
It only validates the online html file with file extensions html, htm, xhtm etc.
This page is part of the LegacyCollector website.
Disclaimer: All material on this site is property of their respective owners and available under
open licenses to the best of our knowledge. If you are an author and would like anything removed,
then please write an e-mail to legacy [at] collector dot org.