Avoid content that flashes or moves automatically without controls.
- Avoid content that flashes or moves automatically without controls1 cited source1 category
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Why this matters
Flashing or moving content can trigger seizures and distract users, undermining accessibility and user experience.
Hypothetical standard operating procedure
Adapt this example to your site, access, tools, and change process. It is our suggested procedure, informed by the sources below.
- Identify any flashing, blinking, or auto-moving page elements.
- Remove these effects or provide user controls to pause or stop.
- Verify compliance with WCAG limits on flashing content.
- Test with users and accessibility tools for potential triggers.
Watch for
Automatically moving content without pause controls can cause serious health risks and legal liability.
Definition of done
No content flashes or moves automatically, or all movements can be paused or stopped by users.
Sources & attribution
Original checklist wording and example SOP by Best SEO Checklist, using source-grounded AI assistance. Editorial contact: Ted Kubaitis, @tedkubaitis on Teams. Check current source guidance before implementation.