WCAG 2.3.2: Three Flashes
WCAG 2.3.2 Three Flashes is a level AAA success criterion from WCAG 2.0. Nothing flashes more than three times in one second, with no exception for small or dim flashes.
The stricter level removes the size exception.
How to test
Check even small icons for rapid flashing.
How to fix
Remove all strobing, including small badges.
Example that fails
A tiny badge pulses sharply more than three times a second.
Example that passes the check
The badge is static.
Shopify
Remove pulse animations on sale badges in the theme CSS.
WooCommerce
Stop sale-badge animations that strobe.
WordPress
Remove strobe keyframes.
Wix
Turn off rapid badge animations.