Progress on website accessibility?

Vicki L. Hanson, John T. Richards

    Research output: Contribution to journalArticlepeer-review

    89 Citations (Scopus)


    Over 100 top-traffic and government websites from the United States and United Kingdom were examined for evidence of changes on accessibility indicators over the 14-year period from 1999 to 2012, the longest period studied to date. Automated analyses of WCAG 2.0 Level A Success Criteria found high percentages of violations overall. Unlike more circumscribed studies, however, these sites exhibited improvements over the years on a number of accessibility indicators, with government sites being less likely than topsites to have accessibility violations. Examination of the causes of success and failure suggests that improving accessibility may be due, in part, to changes in website technologies and coding practices rather than a focus on accessibility per se.
    Original languageEnglish
    Article number2
    JournalACM Transactions on the Web
    Issue number1
    Publication statusPublished - Mar 2013


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