Control moving, blinking or auto-updating content

Rule ID Timing 2
Definition A page that includes moving, blinking, scrolling or auto-updating content that starts automatically and lasts more than 5 seconds must have a mechanism to pause, stop, or hide such content.
Purpose
  • People with visual impairments and visual processing learning disabilities may not be able to read or understand content that is blinking, scrolling or auto updating
Mappings
  • HTML4 Legacy Techniques (Required)
  • HTML5 and ARIA Techniques (Required)
WCAG Success Criteria

2.2.2 Pause, Stop, Hide (Level A, Primary Success Criterion)

Other Related Success Criterion:

Rule Category Timing
Scope Element
Target Resources Canvas, SVG and image animations; moving, blinking, scrolling or auto-updating text content; and embedded applications
  • applet
  • embed
  • img
  • object
Techniques
  • Pause/Resume: Through configuration or controls on the page, enable the user to pause and resume the moving, blinking, scrolling or auto-updating content.
  • Stop: Through configuration or controls on the page, enable the user to stop the moving, blinking, scrolling or auto-updating content and see all of the content at one time.
  • Hide: Through configuration or controls on the page, enable the user to hide the moving, blinking, scrolling or auto-updating content if it is not essential for the activity.
Informational Links