Checky 0.5.1 for Mozilla and Netscape

"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.

Service-Interfaces available for HTML, XHTML, CSS, RDF, RSS, XML, SGML, WAI, 508, various viewer, valets and purifiers.”

Whoo, boy! Mozilla has one-upped 'em other browsers!" [meryl's notes]