What is Usability

[Usability refers to] the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use.
- ISO 9241-11

Human-centered design is characterised by: the active involvement of users and a clear understanding of user and task requirements; an appropriate allocation of function between users and technology; the iteration of design solutions; multi-disciplinary design.
- ISO 13407

Benefits of Usability

Hiring a usability practioner will ensure that your site will have increased sales and revenue. If a consumer is unable to find a product on your site, then they will just go somewhere else.

In addition, you will have reduced development time and costs as well as decreased training and support costs. Simple sites require less coding for the developers and less "thinking" work on the part of the user.


Usability Professionals Association The UPA supports those who promote and advance the development of usable products, reaching out to people who act as advocates for usability and the user experience. Members come from across the broad family of disciplines that create the user experience. We invite you to network in our community.