Give ecommerce customers the product information they want, at the right time, and at the appropriate level of detail. Get 108 guidelines for producing engaging product pages.| Nielsen Norman Group
To decide whether to visit a page, people take into account how much relevant information they are likely to find on that page relative to the effort involved in extracting that info.| Nielsen Norman Group
Testing ever-more users in card sorting has diminishing returns, but test at least 15 users -- 3 times more than you would in traditional usability tests.| Nielsen Norman Group
Mobile devices require a tight focus in content presentation, with the first screen limited to only the most essential information.| Nielsen Norman Group
Collapsing content within accordions shorten pages and reduce scrolling, but they increase the interaction cost by requiring people to decide on topic headings. Longer pages can benefit readers.| Nielsen Norman Group
As the number of choices increases, so does the effort required to collect information and make good decisions. Featuritis can be an exhausting disease for users.| Nielsen Norman Group
What is usability? How, when, and where can you improve it? Why should you care? Jakob Nielsen defines key usability concepts - give to your boss or anyone else who doesn't have much time, but needs to know basic usability facts.| Nielsen Norman Group