Identify Usability Issues: Usability testing allows designers to identify usability issues in a product. By testing the product with real users, designers can identify pain points, confusing interfaces, and other issues that may have been overlooked in the design process. This helps designers make necessary adjustments to create a more user-friendly product.

Evaluate User behavior

Usability testing provides insights into how users interact with a product. By observing users' behavior, designers can gain a deeper understanding of how users perceive and use the product. This information can then be used to create a more intuitive and user-friendly design.

Test design solutions

Usability testing can be used to test design solutions. By creating prototypes and testing them with real users, designers can evaluate the effectiveness of different design solutions. This can help designers make informed decisions about which design solutions to implement in the final product.

Create better user experiences

Create a Better User Experience: Ultimately, usability testing helps designers create a better user experience. By identifying usability issues, evaluating user behavior, and testing design solutions, designers can create a product that meets the needs and expectations of their users. This can lead to increased user satisfaction, engagement, and loyalty.

In conclusion, usability testing is a crucial component of the product design process. By identifying usability issues, evaluating user behavior, and testing design solutions, designers can create a more user-friendly product that meets the needs of their users. As such, usability testing should be incorporated into the design process from the beginning and conducted at various stages of the design process to ensure that the final product meets user needs and expectations.