How to use alt attribute?

Question

How to use alt attribute and What’s meaning?

Answer 1

The alt attribute provides alternative information for an image if a user for some reason cannot view it (because of slow connection, an error in the src attribute, or if the user uses a screen reader).

Explanation and examples:
https://www.w3schools.com/TAGs/att_alt.asp
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Img

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