Jakob Nielsen, Ph.D., is a retired principal and co-founder (with Dr. Donald A. Norman) of the Nielsen Norman Group. Jakob established the "discount usability engineering" movement for fast and cheap improvements of user interfaces and invented the heuristic evaluation method.
Traffic and sales data show that ecommerce sites had 111% higher sales-per-visit on desktop than on mobile on Cyber Monday 2017. Better than 2014 when desktop sold 288% more.
Look beyond surface-level qualities to assess UX value. A design that looks (or sounds) good does not mean that it is. Good websites contain engaging features that help people accomplish their goals.
Each UI generation often takes two steps forward, then one step back. Even as new technologies emerge (e.g., Artificial Intelligence (AI) and speech recognition), knowing established UX guidelines will help you avoid missteps. This was Jakob Nielsen's keynote at the UX Conference in Copenhagen.
Users spend most of their time on other sites. This means that users prefer your site to work the same way as all the other sites they already know. Design for patterns for which users are accustomed.
Jakob Nielsen in London: A real-world example of how contextual help can reduce confusion (and even saves lives). Provide user assistance exactly when needed, and people may actually read it.
Jakob Nielsen answers an audience question about small and large usability studies. Which of these will improve your user interface design the most? (From the UX Conference in London.)
