The user experience refers to a user’s emotions, attitude, and perceptions about a product, system, or service. In other words, it is how you feel while interacting with an app or website. Good UX makes a product useful, usable, desirable, findable, accessible, and credible.

A broad term that includes several disciplines that study the effect of design on the ease of use and level of satisfaction with a product, site or system. The term UX was invented by Dr. Donald Norman, a cognitive scientist.