The Web Design Group

Validator Tips

Validating the Referring URL

Validation of the referring URL allows authors to conveniently use the same HTML as a validation link on any page:


To include the document's source, use the following:


One may also use "referrer" in place of "referer".

Validating Password-Protected Documents

To validate password-protected documents, use a URL of the form "". (While this is not a technically valid URL, it is accepted by the WDG HTML Validator for convenience.)

Validating by FTP

The validation by URL form supports both HTTP and FTP. For anonymous FTP, use a URL of the form "". If you need a user name and password, use a URL of the form "".