Checkpoint 1.21 - Java
All flashing content can be turned off or stops after a short period
WCAG 1.0 Priority 2
WCAG Guideline 7. Ensure user control of time-sensitive content changes.
Flashing, flickering or blinking text and other screen components can be distracting for viewers of an application page and may subsequently detract from the information being presented to the user and making the information less comprehensive to the user.
Requirement
All flashing content can be turned off or stops after a short period
Checking Tool
Manually verify that any blinking or flashing elements in the application can be turned off or stop after a short period.
Information Source
The original source of this information is located on the W3C web site (www.w3.org/TR/WCAG10-TECHS/#tech-avoid-movement)