Usability
Usability
A term for how easy and pleasant a website, app, or device is to use.
In Simple Terms
"Usability" refers to how easy a website or app is to use. For example, it describes good design choices like buttons placed where they're easy to tap or text that's easy to read. Products that get these details right let even first-time users find their way around without getting confused.
Behind the Name
The word "usability" is formed by combining "use" with the suffix "-ability" (meaning "capable of" or "having the capacity to"). Put together, it literally means "the capacity to be used" - which is exactly how the term came to describe how easy something is to use.
Take a Closer Look!
Usability is a measure of how efficiently and how satisfyingly a specific user can accomplish a specific goal. Put simply, it's a way of measuring how stress-free a tool or service is to use.
Think about shopping online on your phone, for example. A site where you can immediately spot the purchase button and don't have to enter much information has high usability. On the other hand, a site with text so small you can't read it, or one that makes you re-enter the same information over and over, has low usability.
Improving usability doesn't just reduce stress for users - it can also boost a service's sales. That's why many web designers and developers put themselves in the user's shoes when designing how a screen looks and how easy it is to operate.
Related concepts include "accessibility" and "UI", both of which are deeply connected to the idea of ease of use. Usability is an essential concept for building services that people love and keep using for a long time.