ACCESIBILIDAD ≠ OVERLAY · ENTREGA 25
Accessibility ≠ Overlay: when a dropdown menu becomes a barrier
📅 October 2026 · ⏱ 7 min read
A navigation menu can look perfect yet be impossible for some people to use.
01. The problem is not always visible
A dropdown may work with a mouse while failing with a keyboard, screen reader or touch device. Visual polish does not guarantee accessible interaction.
02. Mouse-only navigation
If a submenu opens only on hover, people using Tab or alternative input may be unable to reach it. Access must not depend on a pointer hover state.
03. Visible focus and logical order
Every link and control needs a sensible focus order and a clear focus indicator. Removing outlines without an accessible replacement makes navigation harder.
04. Announcing open and closed states
A button that expands a submenu should expose its purpose and state. A native button with an updated aria-expanded attribute can help assistive technology communicate what happened.
05. Keyboard-friendly submenus
People must be able to open and close submenus, reach their options and move away without focus traps. Ordinary website navigation does not necessarily need the ARIA application-menu pattern.
06. Why an overlay cannot fix it
Changing colours or font sizes does not automatically repair mouse-only event handlers, missing semantics or broken focus management. The underlying navigation component must be fixed.
07. How to test it
Put the mouse aside. Use Tab and Shift+Tab, open every submenu, observe focus and repeat with a screen reader. Test the mobile version too.
08. Conclusion
Accessible navigation works across input methods, communicates its state and lets everyone reach the content. Accessibility is built into design and code.
♿ Accessibility ≠ Overlay · 25
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W3C WAI — Menus tutorial · W3C APG — Disclosure pattern · WCAG 2.2 Quick Reference
