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How do #visuallyImpaired see #mastodon? I know we are supposed to insert #descriptions on #images so they get to be included too, but.... I am trying to see images' descriptions but cannot... Only way I can is during load time and by inspecting the #HTML... do they also see it this way or use a plugin/dedicated_client? 
@frayoshi and additionally, many Mastodon mobile clients (e.g. Tooot, Metatext, official app) have an alt text button on every picture that you can tap and see the description.
Oh.. didn't think about screen readers @coucou !
Thanks for lightning this up for me!
Will definitely look at descriptions in a renewed way now! 
@frayoshi There is a technology called screenreader (e.g. VoiceOver) which reads the entire content of the page if enabled. In the place of the picture, the image description is read out. So if you don't see well, you can listen.