All images should be accompanied by alt text/image descriptions. These are available on all major platforms:
Alt text may be read out to users who use assistive technology, so it’s important to think about the context and what is important to the message you’re trying to convey, rather than just a description. There is no need to describe every single detail of the image, as listening to a long image description via a screen reader can be exhausting. Don’t include irrelevant information, but instead pick out the few key details that help the listener construct a mental image.
Video captioning is absolutely necessary for viewers with hearing impairments. A majority of social videos are also watched on a mobile with sound off, so captions can enhance every users viewing experience.
Make sure your videos are captioned either with:
It is important to also add captions to videos appearing on Instagram and Facebook Stories.
For questions about accessibility and digital communications - or social media more generally - please contact the Digital Communications team in PAD: