WCAG 2.0 · Level A · Understandable
WCAG 3.2.1 — On Focus
Moving focus to a component must not trigger an unexpected change of context.
WCAG 3.2.1 at a glance
Level A · Principle: Understandable · Added in WCAG 2.0. Level A is the minimum — failing it blocks some users entirely.
What it means
Moving focus to a component must not trigger an unexpected change of context.
Who it helps
Keyboard and screen-reader users, and people with cognitive disabilities.
Common failures
- Focusing a select auto-submits or navigates away
How to meet WCAG 3.2.1
- Don’t cause navigation/submission on focus alone
How to test it
Manual.