Accessibility Checkpoint Don't use large flashing images
Web pages must not contain large images that flash more than three times in any one second period.
Flashing areas larger than 21,824 square pixels can trigger seizures in people with photosensitive seizure disorders like photosensitive epilepsy.
Note: Section 508 (2000) checkpoints (a) through (k) are equivalent to WCAG 1.0 level A checkpoints. Section 508 Refresh (2017) checkpoints are equivalent to WCAG 2.0 level AA checkpoints.
- 5.9 Jun 2015 Handle non-standard image tag.
- 5.6 Sep 2014 Now triggers WCAG 1 and Section 508 issue as well as WCAG 2.
- 5.5 May 2014 Fixed false positive on non-looping animated GIFs.
- 5.4 Feb 2014 Added.
This page describes a web site issue detected by SortSite Desktop and OnDemand Suite.
Rule ID: AccWcag2-2.3.1-1