Three CSS and HTML Accessibility Mistakes Found Repeatedly Across Web Audits

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Accessibility audits conducted across multiple unrelated websites revealed three identical patterns consistently breaking access for keyboard and screen reader users. The most common issue is a single CSS rule that removes focus indicators sitewide, leaving keyboard users unable to see where they are on a page, which violates WCAG 2.4.7 and 2.4.11. A second recurring problem involves interactive elements like navigation triggers built with non-focusable HTML tags such as anchor elements without href attributes, causing keyboard users to be completely blocked from reaching key controls. Each flaw has a straightforward fix: replacing focus-removing CSS with focus-visible selectors, and swapping non-semantic elements with proper button tags carrying ARIA labels and state attributes. The auditors noted that these patterns appearing independently across different teams and tech stacks signals an industry-wide gap in how web accessibility is understood and implemented.

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