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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


Kindle Fire Usability Findings

December 5, 2011

Mobile web sites work best on the 7-inch tablet. Users had great trouble touching the correct items on full sites, where UI elements are too small on the Fire screen.

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 2nd Research Study

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.

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