An evaluation of web accessibility metrics based on their attributes

  • Authors:

  • André P. Freire;Renata P. M. Fortes;Marcelo A. S. Turine;Debora M. B. Paiva

  • Affiliations:

  • University of Sao Paulo, Sao Carlos, SP, Brazil;University of Sao Paulo, Sao Carlos, SP, Brazil;Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil;Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil

  • Venue:
  • Proceedings of the 26th annual ACM international conference on Design of communication
  • Year:
  • 2008

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Abstract

Accessibility is a concept related to providing access to Web content to people with different abilities and people using different devices. A number of metrics have been proposed in the last years to help to obtain quantitative Web accessibility levels. Each Web development project has different aspects, and the choice of a given Web accessibility metric should be carefully considered according to the needs of the project. In this paper, we present a review on the main existing Web accessibility metrics, emphasizing the main features and comparing their correlations from experimental data obtained from large scale evaluations. Project managers and evaluators should consider specific features for each given project to effectively choose a proper metric. Needs to adjust customized coefficients or to adhere to automatic evaluation tools are important issues to be observed.