Don't Make Me Think, Revisited: A Common Sense Approach to Web Usability

by Krug Steve

Useful: Does it do something people need done? Learnable: Can people figure out how to use it? Memorable: Do they have to relearn it each time they use it? Effective: Does it get the job done? Efficient: Does it do it with a reasonable amount of time and effort? Desirable: Do people want it? and recently even Delightful: Is using it enjoyable, or even fun?