Flashing Animations and Parallax

Animations with flickers or movement can trigger epileptic seizures.

Best Practices

Try not to use:

  • Flashing graphics or animations (i.e. something that flashes more than three times in any one second period).
  • Parallax (scroll jacking).

To reduce the risk of seizures:

  • Keep motion animations to an absolute minimum.
  • Reduce contrast for any flashing content.
  • Avoid fully saturated reds for any flashing content.
  • Provide a mechanism to suppress rapid flashes.

Tools & Resources