Don’t flash content for more than 3x per second (No exceptions)
Ensure content does not flash more than three times per second to prevent triggering seizures or other health issues, protecting users who are sensitive to rapid flashing.
Acceptance Criteria
• Content flashes no more than three times per second.
Examples
• Animated banners or notifications should be designed to flash fewer than three times per second.
• Avoid using rapid flashing effects in videos or interactive elements.
Exceptions
Tips
• Use tools to measure the flash frequency of animations and effects.
• Consider alternatives to flashing content, such as slower transitions or animations.
How to test?
1. Measure Flash Frequency: Use a flashing frequency meter or testing tool to ensure content does not exceed three flashes per second.
2. Review Animations: Manually review any animations or effects to confirm compliance.