[hrishivardhan]

alt text also referred to as alternative text or alt tags are used to describe the images on your web page. If for any reason an image does not render on a web page, the alt tag will display in place. Search engines, such as Google and Bing regularly crawl web pages. It is easy for them to understand text copy on a page, however, images are difficult to read. This is where alt text comes to play. Alt text is used to describe to search engines what the image is showing, allowing search engines to give users better results when performing an image search.