Web Reference and Tutorials

CoolHomepages.com
Offers an updated design gallery and additional Web design resources.

W3Schools
Online reference and tutorials for HTML, XHTML, CSS, JavaScript, ASP, and more.

Webmonkey
Web development and design resources, news, articles, and tutorials.

Web Pages That Suck
Editorial site about poor Web design with detailed examples.

Web Standards Project
Organization devoted to and promoting Web standards.

Web Style Guide, 2nd Edition
Reference for the planning, development, design, and management of Web sites.
Usable Web
Index to articles about Web usability.     

Organizations

World Wide Web Consortium (W3C)
Organization that leads in standards specifications for the Web.