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Accessibility Statement: If you use motion or animation

View an accessible page using motion or animation
View an inaccessible page using motion or animation

  1. Avoid blinking or scrolling text. Moving text and animation can be a distraction to people with cognitive disabilities. Screen readers or individuals with visual or cognitive disabilities may not be able to read moving text.
     
  2. Avoid causing the screen to flicker; large flickering or flashing images may cause seizures in users with photosensitive epilepsy. These seizures can be triggered by flickering or flashing in the 4 to 59 flashes per second (Hertz) range, with greatest sensitivity occurring at 20 flashes per second. Rapid tonal changes can have the same effect.
     
  3. Provide clear text alternatives for continuous animation.
     
  4. Check accessibility by viewing your page in multiple browsers and platforms, then verify it with tools like CAST's on-line BOBBY verification tool.

Read the relevant W3C guideline -- 1.1  1.3  1.4  7.1
Return to the checklist


Adapted with permission from web accessibility pages at Penn State

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