ALT Text

A text description for an image on a web page used primarily for search engine crawlers, spiders or bots. Since search engine crawlers are unable to “see or read”, ALT text provides a way for websites to describe the image for the crawler. Originally, ALT text was used for the visually impaired for reference and for users who had turned off the display of images in their browser.

In HTML, the Alt text is coded in this way: <img src="URL-of-image" ALT="Description">