This study focuses on quality in a view of usability on website for Down Syndrome Children (DSC). The website specially designed for children with Down Syndrome to gain benefit and to learn how easy to use the website. This study wants to know how easy of exist website which are focus on DSC and really easy to use with using usability principles: learnability, efficiency, memorability, errors and satisfaction. The usability principles used to evaluate the website. The result shows that the website applies usability approach successfully through games which resembles learning material in it for children with Down Syndrome to learn.
