Usability can be interpreted as the capacity of the system to furnish a condition for
its user to accomplish the tasks safely, effectively, and efficiently while enjoying the
experience. It helps to uncover problems, discover opportunities and learn about users’
aspects and inclinations. It measures the quality of a user’s experience when interacting
with a product or operation. It is a quality attribute that evaluates how simple user
interfaces are to obtain. Usability is developed to recognize and resolve issues from the
system or product. The advantages of usability are the following:
• Learn if participants can complete specified tasks successfully.
• Identify how long it takes to complete set tasks.
• Find out how satisfied participants are with your Web site or product.
• Identify changes required to improve user performance and satisfaction.