Hidden features, reduced discoverability, cognitive overhead from dual environments, and reduced power from a single-window UI and low information density. Too bad.| Nielsen Norman Group
Avoid awkward and difficult page layouts by fitting flexible templates to content whenever possible. Test often during design, and plan to scale up.| Nielsen Norman Group
Reduce input effort for fields with values that vary little from the default by allowing users to increase or decrease the number in a single button press.| Nielsen Norman Group
Mobile design must reflect smartphone constraints and strengths: small screen, short sessions, single window, touch interaction, GPS and other phone features.| Nielsen Norman Group
Drop-downs, megamenus, and radial or marking menus arrange items in different patterns to optimize the reach time to individual menu options.| Nielsen Norman Group
The interaction cost is the sum of efforts — mental and physical — that users must deploy in interacting with a site in order to reach their goals.| Nielsen Norman Group
Smartwatch apps should rely on gestures more than on navigation elements, prioritize the essential, support handoff, and create tailored, standalone content.| Nielsen Norman Group
Large, rectangular menus group navigation options to eliminate scrolling and use typography, icons, and tooltips to explain users' choices.| Nielsen Norman Group
Due to the absence of a standard usage for individual icons, text labels are necessary to communicate meaning and reduce ambiguity in an icon-based design.| Nielsen Norman Group