2.2.4 Interruptions
Conformance level: AAA
Criterion released in WCAG version: 2.0
TL;DR: Users should be able to postpone or suppress interruptions (alerts, popups) unless they’re essential. Don’t steal focus or block work unnecessarily.
Official description of the success criterion
Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.
What to do?
Provide mechanisms to postpone or suppress interruptions.
Why is it important?
Helps users maintain focus and control over their interactions.