Articles

Jakob Nielsen

Jakob Nielsen, Ph.D., is a User Advocate and principal of the Nielsen Norman Group which he co-founded with Dr. Donald A. Norman (former VP of research at Apple Computer). Dr. Nielsen established the "discount usability engineering" movement for fast and cheap improvements of user interfaces and has invented several usability methods, including heuristic evaluation. He holds 79 United States patents, mainly on ways of making the Internet easier to use. Read more about Jakob

Articles

Ecommerce Usability Improvements

October 24, 2011

Sites have improved, and we now know much more about e-tailing usability. Today, poor content is the main cause of user failure.

Mobile Usability Update

September 26, 2011

The user experience of mobile websites and apps has improved since our last research, but still has far to go. A dedicated mobile site is a must, and apps get even higher usability scores.

How Long Do Users Stay on Web Pages?

September 12, 2011

Users often leave Web pages in 10-20 seconds, but pages with a clear value proposition can hold people's attention for much longer because visit-durations follow a negative Weibull distribution.

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