Design and usability by Jacob Nielsen

"Jakob's Law of the Internet User Experience: users spend most of their time on other websites."

"users left websites after 1 minute and 49 seconds on average, concluding in that time that the website didn't fulfill their needs."

Original Top Ten Mistakes in Web Design (96)

http://www.useit.com/alertbox/9605a.html

"Top Ten Mistakes" Revisited Three Years Later (99)

http://www.useit.com/alertbox/990502.html

The Top Ten New Mistakes of Web Design (99)

http://www.useit.com/alertbox/990530.html

Top Ten Guidelines for Homepage Usability

http://www.useit.com/alertbox/20020512.html

Top Ten Web-Design Mistakes of 2002

http://www.useit.com/alertbox/20021223.html

Top Ten Web Design Mistakes of 2003

http://www.useit.com/alertbox/20031222.html

Mastery, Mystery, and Misery: The Ideologies of Web Design

http://www.useit.com/alertbox/20040830.html

Box versus circle

http://www.useit.com/alertbox/20040927.html