Mouse: the submenu opens.
Keyboard (Tab, then Enter): nothing opens.
Illustration. Real reports use screenshots of your own pages.
Sample item from a report
Main menu opens only on mouse hover
- WCAG criterion
- 2.1.1 Keyboard (Level A)
- Where
- Every page, in the shared header. Example:
/admissions/ - Who is affected
- People who use a keyboard or switch device instead of a mouse, including many screen reader users.
- Suggested fix
- Make each top-level menu item a button that opens its submenu on Enter or Space and reports its state with
aria-expanded.