ALT Tags are invisible descriptions of images which are read aloud to blind users on a screen reader. In most cases this is fairly straight forward to put in alternative text for images that convey the meaning that the image represents but there are a few use cases we would like to help clarify for you.
Do you have a question about using Web Express, writing for the web, creating accessible content or the design process? We would be happy to answer your questions because you are probably not the only one wondering. Let us know what you think!