Category: Motion
Tests that must be checked when content moves or changes on its own.
| Guideline | Criterion | Name |
|---|---|---|
| 50 | 2.2.1 Timing Adjustable (A) | Any time limit may be disabled, extended (with a 20 second warning), or adjusted; unless it is part of a current real-life event, it is essential, or has a time limit of 20 hours or more. |
| 51 | 2.2.2 Pause, Stop, Hide (A) | Any moving, blinking, or scrolling information that starts automatically, lasts over 5 seconds, and is part of other content must include a pause, stop, or hide mechanism. |
| 52 | 2.2.2 Pause, Stop, Hide (A) | Any automatically updating content that starts automatically and is part of other content must include a pause, stop, or hide mechanism. |
| 53 | 2.3.1 Three Flashes or Below Threshold (A) | No content may flash more than 3 times per any 1-second period. |
| 90 | 4.1.3 Status Messages (AA) | Status messages which change without a page reload notify users of assistive technologies without requiring the user to send focus to the message. |