On each web page, are sudden changes in brightness or blinking used correctly?

WCAG Reference

Tests

1. 13.7.1

   On each web page, does every image or multimedia element (<video> tag, <img> tag, <svg> tag, <canvas> tag, <embed> tag or <object> tag) that causes a sudden change in brightness or blinking meet one of these conditions?

   The frequency of the effect is less than or equal to 3 per second.
   The total cumulative area of the effects is less than or equal to 21824 pixels.
2. 13.7.2

   On each web page, does each script that causes a sudden change in brightness or blinking meet one of these conditions?

   The effect frequency is less than or equal to 3 per second.
   The total cumulative area of the effects is less than or equal to 21824 pixels.
3. 13.7.3

   On each web page, does each CSS layout that causes a sudden change in brightness or blinking meet one of these conditions?

   The effect frequency is less than or equal to 3 per second.
   The total cumulative area of the effects is less than or equal to 21824 pixels.

WCAG Techniques

• G15
• G19
• G176