Much effort has been dedicated to develop software aids for authoring and evaluating Web pages using accessibility guidelines and standards. The evaluation of dynamic Web pages is a problem still unsolved in the field of automatic evaluation tools, since the current evaluators are only able to evaluate static Web pages. Stone and Dhiensa have addressed this problem, and proposed a method for evaluating the accessibility of dynamic Web pages using a generalized page which contains all possible

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... tputs that can be generated by a script. In this paper, we present another approach for evaluating the accessibility of dynamic Web pages generated using XML and XSLT. The approach consists of analysing an XSLT using a structure descriptor such as DTD or XSD to determine the different types of XML documents that can be generated. The strength of the presented approach is given by the fact that the use of XML features enhances the results gathered from automatic accesibility evaluation of dynamic Web pages.