What is the alt attribute for?

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).

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

https://www.sololearn.com/discuss/1040466/?ref=app
https://www.sololearn.com/discuss/221017/?ref=app
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https://www.sololearn.com/discuss/534030/?ref=app

Answer 2

https://www.sololearn.com/learn/HTML/1030/

Answer 3

its for displaying alternative text if the browser can't show the image.

Answer 4

if actual image cannot load because of slow connection or src fault ..alt can replace it with any customised statement