World Wide Web Consortium (W3C) Resources

The World Wide Web Consortium or W3C as they're called is the definitive resource for Web standards.

Quality tips for Webmasters - W3C provides tips for Webmasters on quality issues related to W3C technologies such as HTML, CSS and HTTP.

• Accessibility
• CSS
• CSS Validator
• DOM
• HTML
• HTML Tidy
• HTML Validator
• HTTP
• Internationalization
• Style
• URI/URL
• WAI
• Web Services
• XHTML
• XML
• XSL and XSLT