Day 7: Seizures and Physical Reactions Skip to Content

Operable 2.3 Seizures and Physical Reactions

Do not design content in a way that is known to cause seizures.

Examples

  • Give users the option to pause or hide animated GIFs.
  • Avoid animations that flash more than 3 times per second.
Read the WCAG 2.3 Specification

Success Criteria

Depending on which level of compliance your website needs, the following criteria needs to be met.
Criterion Level Description
2.3.1 A Nothing on the page flashes more than 3 times per second, or the flash is below a specific threshold.
2.3.2 AAA Nothing on the page flashes more than 3 times per second.
2.3.3 AAA Animations that are triggered by interactions can be turned off.
Read about all WCAG 2.3 Success Criteria