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Understanding the interplay between the user experience (UX) and Web accessibility is key to design Web sites that, beyond access, could provide a better UX for people with disabilities. In this paper we examine the relationship between UX attributes and Web accessibility. We measured accessibility in two ways: the perceived accessibility as reported by participants and accessibility in terms of conformance to guidelines. Findings uncover that perceived Web accessibility is significantly correlated with 27 of the 35 UX attributes analysed, suggesting these two qualities are closely related. The relationship between UX and conformance to WCAG 2.0 is more elusive: we only found significant correlations between the hedonic attributes original , innovative and exciting . [ABSTRACT FROM AUTHOR]

Evidence suggests that compliance with accessibility standards does not always guarantee a satisfying user experience on the Web. The literature indicates that addressing the expectations users have about online content and functionalities is crucial to bridge this gap. We examine the role played by subjectiveness, experience and, particularly, expectations on how users experience the accessibility on the Web. To do so, 11 blind participants were enquired through interviews and questionnaires about 12 tasks they completed in four websites. Thematic analysis on the transcriptions reveals that expectations are often built up on previous experiences and preconceived ideas. Particularly, the content which is explicitly labelled as accessible arises the curiosity and creates high expectations about the accessibility of the website. We also find that, in addition to unmet expectations, prejudices on branding issues and the memories evoked by past experiences or emotional bonds does not only affect the way in which users perceive and experience accessibility, but also the overall user experience. Identifying the nature of expectations is key (i) to formalise more exhaustive user testing protocols and (ii) to complement and complete existing accessibility guidelines. [ABSTRACT FROM AUTHOR]