| Rule ID |
Timing 3 |
| Conformance |
Required |
| Definition |
A page must not include content that flashes more than three times in one second, unless below general flash and red flash thresholds. |
| Purpose |
- People who have photosensitive seizure disorders can have a seizure triggered by content that flashes at certain frequencies for more than a few flashes.
- People are even more sensitive to red flashing than to other colors.
- Note: The WCAG flashing requirements was adapted from the broadcasting industry standards (e.g. content is viewed from a closer distance and using a larger angle of vision).
|
| Conformance |
Required |
| WCAG Success Criteria |
Success Criterion 2.3.1 Three Flashes or Below Threshold
Other Related Success Criterion:
|
| Rule Category |
Timing/Live Regions |
| Rule Scope |
Page |
| Techniques |
- There is no remediation technique, the content must be removed or disabled from flashing.
|
| Information Links |
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