Mizzou adopted the Web Content Accessibility Guidelines (WCAG) 2.0 AA. The most current version is WCAG 2.1. Explore WCAG built around four core principles, and use the following practices to get started.
- Provide link text that describes where the link goes and gives meaning out of context.
- Avoid phrases like “click here,” “learn more” and “read more”.
- Underline links for quick identification.
- Do not underline non-link text.
Write effective link text
- Ensure the contrast ratio between text color and the background color is at least 4.5:1 for normal text and 3:1 for large text.
- Do not use color as the only method to convey meaning.
- Include an additional descriptive component such as text, patterns, or shapes.
- W3C’s Color Alone Examples
- Learn more about Contrast and Color Accessibility (WebAIM).
- Provide alternative (
alt) text on non-text content that conveys meaning, such as images.
- Keep the
alttext concise (about 125 characters).
- Hide images from screen readers that do have meaning or are for decoration.
- Avoid images with text when possible. If necessary, add alt text.
- Try out the alt Decision Tree
- Use the Alternative (Alt) Text Guide by The Ohio State University
Write effective alt text
- Avoid using tables for layout.
- Structure tables using table headers (
th) and table data (
- Tables concepts tutorial
- Make video accessible through closed captioning.
- Make audio files accessible through transcripts.
- How to: Make Audio and Video Accessible
Make sure all content on the website is usable with the keyboard.
Check for Accessibility
As you design, develop, or create digital content, always check accessibility.