Investigation of the accessibility of non-text content published on websites

Abstract

Websites must be accessible for all users, regardless of their characteristics or needs. Although the many standards, guidelines and concepts for providing web accessibility exist, several websites still do not ensure a sufficient level of web accessibility. Existing studies report that many websites violate a large number of recommendations, and the most frequently identified violations are related to the use of alternative text for nontext elements (e.g. images). This paper focuses on the web accessibility evaluation of faculties' websites at the University of Maribor and the most frequent errors related to the guideline Text Alternatives. An automatic web accessibility evaluation was performed as well as a manual analysis of alternative text use for non-text elements. Based on the results, the recommendations for the improvement of alternative text use are presented.

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