| Tool/Product Name |
Operating system |
Browser support |
Comments |
| W3C CSS Validation Service |
OS Independent |
FireFox Mozilla, IE, Netscape |
CSS validation site run by the WWW Consortium (the folks who set web standards); handles one URI at a time; or upload file or validate by direct input. |
| W3C Link Checker |
OS Independent |
FireFox Mozilla, IE, Netscape |
Link checking service run by the WWW Consortium; configurable. Handles one URL at a time. |
| WDG HTML Validator |
OS Independent |
FireFox Mozilla, IE, Netscape |
Enter the URL of an HTML document to validate. To quickly validate multiple URLs, try the batch mode. Alternatively, you can validate files on your computer or you can enter your HTML directly |
| WebXACT |
OS Independent |
FireFox Mozilla, IE, Netscape |
WebXACT is a free online service that lets you test single pages of web content for quality , accessibility , and privacy issues. Can test one page at a time. Choose among multiple standards - W3C-WCAG guidelines and US Section 508 guidelines. |
| Weblint Gateway |
OS Independent |
FireFox Mozilla, IE, Netscape |
Site with online HTML validator; somewhat configurable. Site provided by San Francisco State University |
| Site Audit |
OS Independent |
Any major browser |
Low-cost on-the-web link-checking service from Blossom Software |
| Link Checker Pro |
OS Independent |
Any major browser |
Link Checker Pro is the leading solution for website analysis and the detection of broken and other problem links. Link Checker Pro combines powerful features and an easy to use interface and is robust enough to deal with corporate websites containing 100,000 links or more |
| Web Link Validator |
Windows |
Any major browser |
It is a powerful link checker and site management tool for webmasters to check links for accuracy and availability, find broken links and links containing syntactic errors. |
| SiteAnalysis |
Windows |
Any major browser |
Link testing is featured with SiteAnalysis, a hosted website monitoring service used to periodically test and validate critical website components, such as internal and external links, domain names, DNS servers and SSL certificates, to ensure the quality and functionality of websites and content portals. |
| CyberSpyder Link Test |
Windows |
Any major browser |
It is a Web site management program to be used for verifying that the URLs on a site are not broken and for analyzing site content |
| LinkScan |
Windows, Unix, Linux and Mac |
Any major browser |
It is an industrial-strength link checking and website management tool. The LinkScan™ family of products delivers flexible test automation capabilities for the entire spectrum of web-based applications. |
| Xenu's Link Sleuth |
Windows |
Any major browser |
It checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets. |
