<img src="tree.jpg" alt=""/>. What do you mean by alt='''' here?

Answer 1

In this case it just prevents from displaying a potentially unwanted "no image" alert.

Answer 2

I beg to differ. The alt attribute is not to be neglected. It is used by search engines and AI to recognize images and learn recognition, respectively. Always remember to SEO-wise your images! :)

Answer 3

Alt is used if the image is not displayed. Let's say the image fails to display, the alt text is used instead to describe the image.

Answer 4

@Hassie. Do we have to use this same attribute alt='''' in case of every image without any modification in this attribute?

Answer 5

@Jar hey it's an optional attribute. You don't need to use it.