The advisory guidance with the guideline is to avoid anything that flashes more than three times a second. There have been few instances of web content that falls into this category. The most likely cases are videos with a lot of flash photography, hence the warnings on the television news items.
But first, do you know what disability types there are? Explain briefly what each is.
What makes conditions such as Dyslexia, ADD, ADHD, Autism and Aspergers not a disability - what are the distinctions?
Accessibility for Animated Gifs
Choosy Content Folks
Choose Accessible GIFs
Principles of Web Accessibility
YES! We can access this content!
Other non-disability considerations
● Functional accessibility
(compatibility with assistive
● Old equipment or devices
● Low-language proficiency
● Dyslexia, ADD/ADHD
● Autism/Asperger syndrome
● Content managers: Describe the animated content sufficiently in text
● Developers or Accessibility Experts: Ensure elements blink or flash is in a
safe threshold - use PEAT
● Developers: Avoid using the marquee element
● Content managers Where possible, provide a non-animated equivalent or
method to skip the animation and get to the content
Also see: Best practices in Animation
Is it useful?
Does the image(s) add to the content or detract from your message?
Is the content in plain language?
Is there a non-animated equivalent you can use?
Quality vs. Quantity do the images compete for the audience’s
Should this be translated or adapted to another language?
Reminder List for GIFs:
● Ensure animated content is sufficiently described
● Ensure elements blink or flash are in a safe
threshold - use PEAT
● Ensure the marquee element is avoided
● Where possible, provide a non-animated
equivalent or method to skip the animation and
get to the content
Resources for other animation
● Content: http://www.4syllables.com.au/
● Infographics and Animation:
● Video: https://www.digitalgov.gov/2014/06/30/508-accessible-
videos-why-and-how-to-make-them/ and an example from
● PEAT: Photosensitive Epilepsy Analysis Tool
● Accessibility Testing Information: http://trace.wisc.edu/peat/
● Best Practices in Animation: