Jakob Nielsen shares his thoughts on usability.

Provided by the National Cancer Institute. Includes information and resources on making web sites and other user interfaces more useful, usable, and accessible. News and current publications and additional links are provided.

Jakob Nielsen's bi-weekly column on current issues in Web usability, focusing on simple and minimalist design based on real user needs.

Diamond Bullet Design offers their experience and knowledge on website and software usability.

Provides free services to assist web authors who wish to make their information available to the largest audience.

The UPA's purpose is to promote usability concepts and techniques worldwide.

Trace Research and Development Center at the University of Wisconsin. Excellent guidelines for universal web design.

Collection of links and accompanying information about human factors, user interface issues, and usable design specific to the World Wide Web.

Reports and columns on usability and human interface design by Jakob Nielsen, Don Norman, and Bruce 'Tog' Tognazzini.

International Journal of Human-Computer Studies. Special issue of WWW Usability arising from a symposium entitled "The Missing Link: Hypermedia Usability Research and The Web".