The alt text shouldn’t be longer than a sentence or two-most of the time a few thoughtfully selected words will do. Make sure to convey the content and the purpose of an image in a concise and unambiguous manner. When to use alt text? Images and pictures This topic describes how to understand, write, and use effective alt text in Microsoft 365 products. People hear words objectively but understand them subjectively. Well-written, descriptive alt text dramatically reduces ambiguity and improves user experience. When screen readers such as Microsoft Narrator, JAWS, and NVDA reach digital content with alt text, they will read the alt text aloud, allowing people to better understand what is on the screen. Without descriptions of the infographics, anyone with a visual disability cannot understand the infographic and misses out on key information.Īlternative text (alt text) is descriptive text which conveys the meaning and context of a visual item in a digital setting, such as on an app or web page. The presentation contains infographics to illustrate a key point. Imagine, for example, that a keynote speaker sends out their presentation after a conference. If a picture is worth a thousand words, what is it worth to people who cannot see? In our digital world, it is easy for people with a visual disability to miss critical information or have a frustrating and negative experience.

The good reader