Used Page Validator for Windows?
The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
Developer’s Description
Validates a page using the W3C Markup Validation Service. Adds an option to the right-click context menu and to the Tools menu to allow for easy validation of the current page. Opens the results in a new tab. This is a simple extension that will work only for online pages. The W3C Markup Validation Service now allows you to validate behind a site secured with HTAccess by allowing you to login for it.
Used Page Validator for Windows?
