Topics

  • Moving, flashing, or blinking content includes carousels, banner-ads, videos, auto-updating stock tickers, scrolling news feeds, motion images e.g.: animated GIFs and more.
  • Users need to be able to control moving content, especially some people with attention deficit disorder or visual processing disorders.
  • Motion should last less than 5 sec. or user can pause.
  • Image should not contain text.

Good example

A pause-button allows the user to stop the movement.

screenshot

Bad example

User cannot control the moving content.

Spot a good thing

What to check for

  • Check if there is any moving, blinking, or scrolling information that starts automatically and lasts more than five seconds. If there is, check that there is a way for the user to pause, stop, or hide the movement.
  • Check if there is any auto-updated information (such as carousel or stock price). If there is, check that there is a way for the user to pause, stop, or hide the updated information.
  • Check that no content flashes or blinks more than three times in one second. If it does, further evaluation is needed as explained in Three Flashes or Below Threshold.

How to check

Visual checking

Reference