Usability Engineering
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This paper describes an interaction mechanism aimed at enhancing the accessibility of Web pages to middle-aged adults and seniors. The proposed approach builds on previous research on problems commonly encountered by these users. The presented solution encompasses the customization of Web page layouts and the use of automatically-generated voice prompts to users. One of the main contributions of this work is the use of contextualized aids according to the genre of Web pages and the types of features they contain. An automatic page categorization scheme has been developed, alongside with a tool to collect knowledge from users about the nature of pages. The preliminary results from a usability inspection of the tool are discussed, and proposals for future investigations on the impact of this technology on the accessibility of websites for middle-aged adults and senior users are also outlined.