Resources·6 most common accessibility errors

6 most common accessibility errors

WebAIM research finds 96% of all accessibility errors fall into the same six categories - and have done for the last seven years. Fixing just these few would meaningfully lift accessibility across the web.

None of these are exotic. They aren't edge cases or judgement calls. They're the same six issues we find on most journeys we scan - and any team can fix all of them in an afternoon once they've been pointed out. The UXDuty accessibility scanner covers them all.

  1. 1. Low contrast text

    Description
    Text that's too pale against its background to be reliably readable. Pretty in the design tool, hard to read on a real screen.
    Who it affects
    Low vision, colour blindness, and anyone in bright light or on lower-quality displays.
    Recommendation
    Aim for at least 4.5:1 contrast for body text and 3:1 for large headings. Free tools and most design systems do the maths for you.
  2. 2. Missing alt text

    Description
    An image on the page with no description attached for assistive technology.
    Who it affects
    Blind users - screen readers can't describe the image. Also users on slow connections where images fail to load.
    Recommendation
    Write a short, accurate description for every image that carries meaning. Mark purely decorative images as decorative so screen readers skip them.
  3. 3. Missing form labels

    Description
    A field with a placeholder hint inside it but no proper visible label.
    Who it affects
    Blind users - they don't know what to enter. Users with cognitive disabilities who need clear, persistent instructions are also affected.
    Recommendation
    Every field gets a visible label that stays in place. Hints inside the field are fine in addition, but never instead.
  4. 4. Empty links

    Description
    A link that wraps an icon, image or empty span with no readable text.
    Who it affects
    Blind users - screen readers announce the link with no destination context, leaving them guessing where it goes.
    Recommendation
    Add visible link text. Where you must use an icon-only link, give it an accessible label that describes what it does.
  5. 5. Empty buttons

    Description
    A button with no text content - usually an icon-only button without an accessible label.
    Who it affects
    Blind users - they can't identify what action the button performs, which prevents interaction entirely.
    Recommendation
    Every button needs either visible text or, for icon-only buttons, an accessible label that describes the action.
  6. 6. Missing doc language

    Description
    A page that doesn't declare which language it's written in.
    Who it affects
    Blind users - screen readers use incorrect pronunciation. Users with reading difficulties relying on text-to-speech are also affected.
    Recommendation
    Set a language attribute on the page so assistive technology knows how to read it correctly.

UXDuty surfaces all six on every page in a journey

Each issue is shown with a screenshot, a plain-language explanation and a Consumer Duty risk band - so you can prioritise the fixes that move the needle for customers in vulnerable circumstances.