Aline Chevalier

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The World Wide Web plays an important role in our society—enabling broader access to information and services than was previously available. However, Website usability and accessibility are still a problem. Numerous, automated, evaluation and transformation tools are available to help Web developers build better sites for users with diverse needs. A survey(More)
Mental workload is a concept central to a range of disciplines (including cognitive psychology and ergonomics) that has given rise to various theoretical and methodological debates. As a result, researchers have used a number of techniques for measuring mental workload. Traditionally, three categories of measurement technique have been recognized:(More)
Nowadays, much research examines both the cognitive difficulties encountered by web site users and the development of ergonomic guidelines for designers. However, few studies examine designers’ cognitive functioning while designing web sites. We defend the idea that determining the difficulties web site designers encounter is necessary to better support(More)
Despite rapid growth in the number of web sites, there is still a significant number of ergonomic problems which hinder web users. Many studies focus on analysing cognitive processes and difficulties experienced by web users, but very few are interested in web designers’ difficulties or in comparing their respective activities. Towards this end, the two(More)
This work addresses the question of supporting Web designers in considering usability in their work in order to foster user-centered design of Web sites. With the MetroWeb tool that is described in this paper, designers can access usability guidelines contained in usability knowledge bases, and use them to design a particular Web site based on these(More)