The alt attribute is the text that search engines read

[robiulhasan]

The alt attribute is text that allows search engine crawlers to understand the content of the image. Unlike humans, search engine crawlers cannot understand the content of an image from an image.

Therefore, information such as "what is in the image" and "what kind of image it is" is design director managers mailing leads obtained from the text written in the alt attribute.
In other words, the keywords used in the alt attribute are used in searches . If a search is performed for "Mt. Fuji", an image with "Mt. Fuji" written in the alt attribute will be found in the search.
Therefore, make sure to include keywords that correctly describe the content of the image in the alt attribute .

2) The alt attribute is the anchor text of the image link.
Alt attributes don't just affect SEO because they are seen by search engine crawlers:
if you turn your image into a link, the alt attribute becomes the anchor link text .

Link anchor text is what search engines use to navigate around your website and has a huge impact on SEO.

The alt attribute of an image link is both the alt attribute of the image and the anchor text of the link. Paying attention to how both are written and writing text that concisely describes the content of the image will lead to link optimization.