Principle 2 Operable · Guideline 2.2: Enough Time
2.2.4 Interruptions
Interruptions can be postponed or suppressed.
What this means in practice
Pop-ups, alerts and auto-updates break concentration. Letting users switch them off keeps them in control.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.