DES 1.5 Avoid using flashing, flicker and unnecessary animation
Do not select the links if you are sensitive to strobing or suffer from photo epilepsy.
Needless to say, do not use any of these in your designs.
- Flash at 2Hz
(recommended lower limit)
- Flash at 4Hz
(recommended lower limit by some guidelines)
- Flash at 2 Hz
(the peak sensitivity for many people)
- Flicker at 50Hz
- All flashes/flickers on one page.
NB: The above examples may not flash at the exact correct frequency in some browsers - they are illustrative only