Some Things About `alt` Text

I’m sure you know about alt text. It’s the attribute on the image tag that has the important task of describing what that image is for someone who can’t see it for any reason. Please use them.
I don’t want to dimish the please use them message, but some interesting alt-text-related things have come up in my day-to-day lately that are related.

When you don’t
Hidde de Vries wrote You don’t always need alternative text recently:
But when an icon …
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