People with quadriplegia who cannot move their arms or legs can shop online to get groceries, gadgets, and gifts delivered.People who cannot speak can participate in online discussions, such as through blog comments.
People who cannot see images can get the information contained in the images when web developers include alternative text equivalents for images.
An alternative text equivalent provides the same functional information in text as the image provides visually.
Web accessibility also provides financial and technical benefits to organizations, as described in the “Additional Benefits from a Business Perspective” section later in this chapter.
There are many more examples of how web accessibility benefits people with and without disabilities throughout this chapter.
These examples are missing alt text for only one image.
Imagine if all the images were missing alt text (which is, unfortunately, quite common).Alternative text equivalents, called alt text, are a clear example of web accessibility.Web pages often include images, but some people cannot see images.Home Page Reader is a voicing browser that reads aloud web pages, as a screen reader does.The text in the bottom pane indicates what a person using this browser hears.(Browsers and assistive technologies handle missing alt text differently, and some have multiple settings so the user can choose.) Figure 1-4.