Operable / 2.2 Enough Time
2.2.4Interruptions
Level AAALet users postpone or suppress interruptions such as notifications and pop-ups. Forcing attention away mid-task can make it hard for users with memory- or attention-related disabilities to return to what they were doing. Interruptions that require an immediate response, such as safety emergencies, are exempt.
Note
A detailed commentary for this success criterion is not yet available. In the meantime, this page lists related patterns, techniques, and links to the normative sources.
Related Techniques
Specific implementation techniques for meeting this success criterion. This site doesn't include the full text, so follow the links to the original W3C documents.
Sufficient Techniques(3)
- G75: Providing a mechanism to postpone any updating of content(opens in a new tab)waic.jp(opens in a new tab)
- G76: Providing a mechanism to request an update of the content instead of updating automatically(opens in a new tab)waic.jp(opens in a new tab)
- SCR14: Using scripts to make nonessential alerts optional(opens in a new tab)waic.jp(opens in a new tab)
Normative References
- Success Criterion 2.2.4 Interruptions — WCAG 2.2(opens in a new tab)The normative requirement text.
- Understanding Interruptions — W3C(opens in a new tab)Official guidance on intent, examples, and techniques.