Your suggestion would be more useful if it had more direct information on how the poster could add alt text to their post or image themselves, rather than a link to some generic w3 page about accessibility.
in post submission/edit forms, reducing image to the non-text portion, describe it in field Alt Text, provide proper text in the field Body
adequately filling field Alt Text
setting the field URL to an accessible equivalent
providing an accessible description in the field Title or Body
beginning the field Body with a link (so it’s directly adjacent to image) to an accessible equivalent
or any other possibility as long as it achieves accessibility.
In general, it depends on the situation.
Screenshot of social media text content: link to the source or its archival snapshot.
Image of pure text: don’t post that, post text instead.
Your suggestion would be more useful if it had more direct information on how the poster could add alt text to their post or image themselves, rather than a link to some generic w3 page about accessibility.
There are a multitude of remedies, so I don’t specify. All that matters is the result: web accessibility. Doesn’t matter how text alternative is provided whether by
or any other possibility as long as it achieves accessibility.
In general, it depends on the situation. Screenshot of social media text content: link to the source or its archival snapshot. Image of pure text: don’t post that, post text instead.