Uncomplicating Alt-Text for Complex Images
Including alt-text on images is one of the most basic requirements for web accessibility. Alt-text is a brief description of the information conveyed by the image and allows blind and low-vision users to fully engage with all content on a web page. For simple images, writing alt-text is easy. An image of the Chicago skyline, for example, could have alt-text reading “The Chicago downtown skyline, which includes the Willis Tower and Hancock building, at sunrise.” Pretty straightforward, right? But in online education, not all images are so simple. When teaching courses on subjects such as global health, predictive analytics, or medical