Alt tag is the tag which is used for providing the alternative text for the images which shows the image description. By optimizing it we can expect the better results in search engine of our website. It is also helpful to know about the image. you can see the real-time examples in this website which is clearly optimized and explains about the image
okay I'm gonna explain way too easy for you to understand. Like, search engines can't read images, they can read texts but not the same thing with images. That's why we have to use alt tag to give a bit description of the images to search engine. use the keywords to put in alt tag. a tip to get a higher rank.
The required alt attribute specifies an alternate text for an image, if the image cannot be displayed. The alt attribute provides alternative information for an image if a user for some reason cannot view
An alt tag is a text alternative for an image on your page. The alt tag will be read by screen readers and other site readers as an alternative to the image itself.
An alt tag, also known as "alt attribute" and "alt description," is an HTML attribute applied to image tags to provide a text alternative for search engines. Applying images to alt tags such as product photos can positively impactan ecommerce store's search engine rankings.