These are a selection of tips for various social media platforms: Worth noting captions on Vimeo here and accessibility on snapchat. If you know of anymore, do let us know via email@example.com
Guidance on various platforms
Auto-generating captions on Youtube are not accurate and therefore won’t be accessible to a number of audiences.
How to add your own captions: https://www.youtube.com/watch?v=b9cKgwnFIAw
This is another that is easy to follow: https://www.youtube.com/watch?v=XJGiS83eQLk
Note: Stagetext have excellent guidance on how to produce captions for films which are available online.
You can find them here: https://www.musedcn.org.uk/2017/11/19/captioning-your-films-and-videos-stagetext/