this post was submitted on 05 May 2025
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Programming
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A comprehensive answer is out of scope and probably best given by a true accessibility specialist, but for example, if you only use
<div>tags for everything, a lot of the screen reader's affordances for navigating are unusable. Images that carry information but not in their alt text are another simple example.And then there are parts where JS could actively help. For example, if you have a tabbed interface, but clicking a tab results in a full page refresh, the screen reader loses all context.
Also keep in mind that there's more to assistive technology than just screen readers, e.g. sufficient colour contrast and keyboard navigability are important to many people. Too many websites still get those basics wrong.