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Add new examples and resource link to Understanding Three Flashes or Below Threshold #5228

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docs: update flash-related understanding document with new examples a…
thealexmosk Jul 23, 2026
a08d283
docs: replaced a vague example and removed not relevant examples
thealexmosk Jul 26, 2026
13773c9
Merge branch 'main' into alexmoskalenko/undestanding-three-flashes-ne…
patrickhlauke Aug 29, 2026
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26 changes: 24 additions & 2 deletions understanding/20/three-flashes-or-below-threshold.html
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Expand Up @@ -148,8 +148,24 @@ <h2>Examples of Three Flashes or Below Threshold</h2>


</li>

</ul>


<li>A large animated GIF ad banner loops with hard cuts between light and dark
frames. The author slows the animation so it does not flash more than three times
in any one-second period.
</li>

<li>A large notification badge on a dashboard blinks between two high-contrast
colors to draw attention. The designer slows the blink rate so it does not flash
more than three times per second.
</li>

<li>A site with auto-playing animations checks the user's
<code>prefers-reduced-motion</code> setting and, when active, pauses animations
and removes rapid visual transitions.
</li>

</ul>

</section>

Expand Down Expand Up @@ -188,6 +204,12 @@ <h2>Resources for Three Flashes or Below Threshold</h2>
<a href="http://www.epilepsy.com/learn/triggers-seizures/photosensitivity-and-seizures">Epilepsy Foundation - Photosensitivity and Seizures</a>

</li>

<li>

<a href="https://video-audit.com/">Video Audit Flash Analysis Tool</a>

</li>

</ul>

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