WCAG 2.2.4 Interruptions
AAA only: interruptions such as notifications or alerts can be postponed or suppressed by the visitor, except emergency alerts.
Table of contents
What WCAG 2.2.4 Requires
AAA only: interruptions such as notifications or alerts can be postponed or suppressed by the visitor, except emergency alerts.
How to Test It by Hand
Check whether pop-up notifications or alerts can be deferred or turned off.
Common Failures
- Marketing pop-ups interrupt a task in progress with no way to suppress future interruptions.
Testing WCAG 2.2.4 With AccessBell
AccessBell's scanner runs axe-core, which includes 1 rule that catch code-level failures of this criterion. Automated checks help you spot issues quickly; a person still needs to review what they cannot judge.
meta-refresh-no-exceptions: Ensure <meta http-equiv="refresh"> is not used for delayed refresh (details (opens in a new tab))
Run a free scan to spot issues on your own pages.
Related Criteria in Enough Time
- 2.2.1 Timing Adjustable (Level A, WCAG 2.0)
- 2.2.2 Pause, Stop, Hide (Level A, WCAG 2.0)
- 2.2.3 No Timing (Level AAA, WCAG 2.0)
- 2.2.5 Re-authenticating (Level AAA, WCAG 2.0)
- 2.2.6 Timeouts (Level AAA, WCAG 2.1)
Frequently Asked Questions
What does WCAG 2.2.4 require?
AAA only: interruptions such as notifications or alerts can be postponed or suppressed by the visitor, except emergency alerts.
Can AccessBell test WCAG 2.2.4 automatically?
Yes. AccessBell runs 1 automated rule that can catch failures of this criterion. A person still needs to check what automation cannot judge.
What level is WCAG 2.2.4?
Level AAA, added in WCAG 2.0. Level AAA is the highest, most demanding conformance level in WCAG.
Sources
- W3C: Understanding 2.2.4 Interruptions (opens in a new tab)
- W3C: Web Content Accessibility Guidelines (WCAG) 2.2 (opens in a new tab)
This page explains a technical standard and is not legal advice. See our disclaimer.