Web usability is the ease of use of a website. Some broad goals of usability are the presentation of information and choices in a clear and concise way, a lack of ambiguity and the placement of important items in appropriate areas. Another important element of web usability is ensuring that the content works on various devices and browsers. Another concern for usability is ensuring that the website is appropriate for all ages and genders.
The idea of Usability is centered on the concept of making the interface of the website more user-friendly. Some of the common aspects of Usability are – simplicity, consistency, familiarity, clarity, credibility, relevancy and accessibility. The focus is to make users feel at ease and remove all the bottlenecks from the conversion path so that users don’t have to deal with any inconvenience while browsing or purchasing a product online.
Learn more on https://en.wikipedia.org/wiki/Web_usability