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Abstract. Web accessibility depends on three factors: the semantics of the web contents, the assistive technologies (ATs) and the capabilities of the web browsers (Fernandes, Lopes, & Carriço, 2011). Moreover, the widespread implementation of Rich Internet Applications (RIAs) poses new challenges for ensuring the equality of access to dynamic web content. This paper presents the development of a solution that will automatically activate the accessibility features and the available ATs in two web browsers that take more than 50% of web browsers market share, and depending on the expressed needs and preferences of the user. The two extensions presented will take advantage of the infrastructures developed in CLOUD4all and APSIS4all in order to inject CSS and JavaScript in any web pages, as well as activating non-out-of-the-box ATs, and hence guaranteeing access to both static HTML pages and Rich Internet Applications.

Computer game accessibility for people with limited vision is a challenging problem because many games, such as point-and-click games, heavily rely on mouse interaction for game world exploration. But mouse interaction requires the sense of sight for orientation and navigating through the user interface. Solutions have been proposed to this problem but usually they come at a significant increase in the cost (e.g. haptic devices). This paper explores the use of general sonification techniques applicable to a broad set of games to generate acoustic hints that help limited vision users to locate the interactive elements in the game world by simplifying the use of the mouse. This is a first step to improve point-and-click computer games accessibility with little extra development cost and the initial sonification experiments with limited vision people show promising results.