期刊
DISPLAYS
卷 81, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.displa.2023.102579
关键词
Magnification; Reflow; Accessibility; Low vision; Sticky web elements
This study explores the implications of consent notices on websites for low vision users who rely on browser magnification. The study finds that a significant number of websites have blocking consent notices and permanent elements that obstruct screen real estate when magnified. The study also provides recommendations for improving accessibility for users relying on magnification in narrow viewports.
The practice of using consent notices on websites has received much criticism and attention among researchers. Much of the research has addressed unethical aspects of consent notices while less attention has been devoted to implications for accessibility. This study thus set out to explore implications of such elements for low vision users who rely on browser magnification to access information on the web. A selection of the 100 most frequently used or formally important websites in Norway was manually studied with heuristic evaluation to assess their accessibility with high magnification. The results show that a large portion of the websites contained blocking consent notices that make the websites inaccessible while magnified. Also, most of the websites employed sticky permanent elements such as navigation menus that obstruct much, in some cases all, of the screen real estate in the magnified view. The study also uncovered patterns that preserve accessibility. A key implication of this study is that web developers should consider narrow use cases explicitly. Recommendations are provided on how to avoid inaccessibility for users relying on magnification in narrow viewports.
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