Is it necessary to use alt="" ?

Answer 1

also according to w3c regulations,alt=" " is now important to have for your code to be validated properly.

Answer 2

It is necessary if you want everyone to know.

Answer 3

Yes, its necessary. Because if theres a problem opening or reading the image, then its better to have a text version of it, than to have nothing.

Answer 4

use alt="" attribute. you want everyone to know what it is and that it's there.

Answer 5

alt image help search engine to know what image content (Google image search)