Why we use alt="" in image?

Question

if we doesn't want to place alt="", then what will do if error do.

Answer 1

If the image cannot be loaded then no image will be displayed. The "alt" tag is also for accessibility though - people who cannot see and use a screen reading program to navigate your website will be read the "alt" text to describe your image. It's an accessibility-friendly feature

Answer 2

Evan B i know this evan

Answer 3

"alt" gets executed if the src fails to open due to an error when opening a png or if the img doest exist...