OnLine WebSite checkers - Website Inspection Tools
Validators - Software @
Bobby by CAST, Bobby do not check links.
Doctor HTML by Thomas Tongue
NetMechanic by Monte Sano Software
Dan's Web Tips: HTML Validators discussion, links to HTML validation tools
NetMechanic (MSN LinkExchange) FREE: Dead link check, HTML validity, browser compatibility, load time, spell check
W3C HTML Validation Service HTML Validation Service; a free service that checks documents like HTML and XHTML for conformance to W3C Recommendations and other standards
Web Site Garage provides services for maintaining and improving your Web site. Automate site maintenance checks, optimize your graphics and analyze your traffic, tests Browser Compatibility, Register-It Readiness, Load Time Check, Dead Link Check, Link Popularity Check, Spell Check, HTML Check