User experience and usability are both important to the overall success of a website, portal or business application. If you understand the difference and the interaction, you will avert many ‘lessons learned’ down the road.

 

Usability is a quality attribute and assesses how easy user interfaces are to use. A highly usable product or service enables the user to achieve their goals quickly and with minimal effort. Usability can be defined by five components:

 

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