January 6, 2003 at 2:49 PM
If you use Mozilla or Netscape, you should check out Checky: "The Checky plug-in is an simple Interface for web content and resource developers to free and commercial online Validator and Checker services. With Checky you can now easy setup, combine and use 18 different online Validator and Checker services. Simple choose your services with Checky-Agent than browse to a web resource and press F10 to display the results of the selected services in a new browser tab or window." You can also check out screenshots of Checky in action.