Articles

Jakob Nielsen

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.

Articles and Videos

  • Should Designers and Developers Do Usability?

    Having a specialized usability person is best, but smaller design teams can still benefit when designers do their own user testing and other usability work.

  • Change vs. Stability in Web Usability Guidelines

    A remarkable 80% of findings from the Web usability studies in the 1990s continue to hold today.

  • Palm Foleo: A Failed Mobile Device

    There is room in the market for a device in-between laptops and cellphones. But Palm Foleo isn't it. It's too close to a laptop.

  • The Myth of the Genius Designer

    Having a good designer doesn't eliminate the need for a systematic usability process. Risk reduction and quality improvement both require user testing and other usability methods.

  • Command Links

    Application commands can be presented as buttons or as links, which offer more room for explanation. For primary commands, however, buttons are still best.

  • Location Is Irrelevant for Usability Studies

    You get the same insights regardless of where you conduct user testing, so there's no reason to test in multiple cities. When a city is dominated by your own industry, however, you should definitely test elsewhere.

  • Show Numbers as Numerals When Writing for Online Readers

    It's better to use '23' than 'twenty-three' to catch users' eyes when they scan Web pages for facts, according to eyetracking data.

  • Breadcrumb Navigation Increasingly Useful

    One line of text shows a page's location in the site hierarchy. User testing shows many benefits and no downsides to breadcrumbs for secondary navigation.

  • Does User Annoyance Matter?

    Making users suffer a drop-down menu to enter state abbreviations is one of many small annoyances that add up to a less efficient, less pleasant user experience. It's worth fixing as many of these usability irritants as you can.

  • 10 High-Profit Redesign Priorities

    Several usability findings lead directly to higher sales and increased customer loyalty. These design tactics should be your first priority when updating your website.