State change detection (state-changes)

User interface components with changing states (e.g. checkboxes) include properties such as aria-checked, aria-selected or aria-expanded.


Invalid aria-selected values:

This custom tablist has tabs with invalid aria-selected values:

First Tab Second Tab

(e.g. aria-selected="not selected" by default)

Note: Possible to automatically test. Can be done by checking if aria-selected attributes have valid values (true, false, undefined).

axe detected: 4.1.2  |  QualWeb detected: 4.1.2