Accessibility of Rich Internet Applications for blind people: A study to identify the main problems and solutions

International audienceIn this paper, we describe the accessibility problems experienced by blind people using Rich Internet Applications (RIA). RIA are dynamic interfaces where information sharing is done in real time. Due to their greater information density and diversity, making these interfaces accessible for blind people is difficult as the content changes constantly. Our study with blind and sighted people identified the main problems encountered by blind people and the magnitude of the difference of execution time of tasks among these two populations. Analyses also took into account users' expertise. From these results, we suggest recommendations for each problem