2.2.4: Interruptions [AAA]

Description Sufficient Techniques Advisory Techniques Failures Notes

Description

Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.

Sufficient Techniques

Sufficient Techniques for Success Criterion 2.2.4

Note: Other techniques may also be sufficient if they meet the success criterion. See Understanding Techniques.

• G75: Providing a mechanism to postpone any updating of content
• G76: Providing a mechanism to request an update of the content instead of updating automatically
• SCR14: Using scripts to make nonessential alerts optional

Advisory Techniques

Advisory Techniques for Success Criterion 2.4.1

• C6: Positioning content based on structural markup
• H97: Grouping related links using the nav element

Failures

Failures for Success Criterion 2.2.4

• F40: Failure due to using meta redirect with a time limit
• F41: Failure of Success Criterion 2.2.1, 2.2.4, and 3.2.5 due to using meta refresh to reload the page

Notes