a technique used in user-centered interaction design to evaluate a product by testing it on users.

a professional discipline that focuses on improving the usability of interactive systems.

A usability lab is a place where usability testing is done.

Stronglydisagree Stronglyagree  1 2 3 4 51.I think that I would like to use this system frequently.◯◯◯✗◯2.I found the system unnecessarily complex.◯◯◯◯✗3.I thought the system was easy to use.✗◯◯◯◯4.I think that I would need the support of a technical person to be able to use this system.◯◯◯◯✗5.I found the various functions in this system were well integrated.◯◯◯✗◯6.I thought there was too much inconsistency in this system.◯✗◯◯◯7.I would imagine that most people would learn to use this system very quickly.◯◯✗◯◯8.I found the system very cumbersome to use.◯◯✗◯◯9.I felt very confident using the system.◯◯✗◯◯10.I needed to learn a lot of things before I could get going with this system.◯◯◯✗◯Standard version of the system usability scale

Tools, devices or software (as diverse as a TV remote control, the interface of an oven, or a word processor) must be evaluated before their release on the market from different points of view such as their technical properties or their usability.

Web usability of a website consists of broad goals of usability, presentation of information, choices made in a clear and concise way, a lack of ambiguity and the placement of important items in appropriate areas as well as ensuring that the content works on various devices and browsers.