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You've had a seizure induced by an animated gif? That is nasty.
by gress 12y ago
You've had a seizure induced by an animated gif? That is nasty.
- etjossem 12y agoPhotosensitive epilepsy (seizures triggered by sudden changes in luminescence) doesn't affect too many people, but it's an awful condition and sooner or later one of your users will have it. The general rule here is "no more than 3 flashes per second." [1] You probably don't have a good design reason to use strobe lights anyway. Slow those .gifs down, please. [1] http://www.w3.org/TR/UNDERSTANDING-WCAG20/seizure.html http://www.w3.org/TR/UNDERSTANDING-WCAG20/seizure.html
- Moto7451 12y agoThe Military maintains MIL-STD-1472 which contains the duty cycle for flashing text. Here's an interesting (and occasionally submitted) discussion on jzw's blog: http://www.jwz.org/blog/2013/08/a-light-has-gone-out-on-the-web/#comment-132598 http://www.jwz.org/blog/2013/08/a-light-has-gone-out-on-the-...