What is an Alternative text
Alternative text is commonly referred to as "Alt Text," "at attributes," "alt descriptions," or "alt tags." It is the first principle to providing accessibility support. Alternative text describes an image that allows students, staff, and faculty who are blind or have low vision to get the same information as students, staff, and faculty who can see the image. However, writing alt text is more of an art than a science. There is no straightforward formula for how to write it. This guide will identify key concepts to keep in mind and provide prompt writing alt. text.
Describe all visual objects with an Alternative Text (Alt Text).
- Explain “why” the image relates to the content. The Alt Text is read aloud by screen reading software
- Images can be given appropriate alternative text in most digital content or websites. Alternative Text will remain intact when exported to HTML or PDF.
Remember to add Alternative Text (Alt. Text) to the following:
- Shapes
- Pictures
- Charts
- Diagrams
- SmartArt
- Clip Art
- Tables
- Screenshots
- All Other Objects
How to add Alt Text (Example of Image: Windows 2016 Desktop)
- Right-click on the image and choose Format Picture.
- Select the Layout & Properties icon and choose Alt Text.
- Enter appropriate alt text only in the Description field (not the Title field).
How to add Alt. Text (Example of Image: Microsoft 2019)
- Right-click an image
- Select Edit Alt Text
- The Alt Text pane
How to add Alt Text from Browser
Explain “why” the image relates to the content. The Alt Text is read aloud by screen reading software.
When creating alternative text, learn more about what to include by selecting the following: What is Good Alt. Text?