WCAG Glossary
Plain-language explanations of web accessibility and WCAG terms, from A to Z.
A
- Alt text
What alt text is, why screen readers need it and how to write it well – with examples, a cheat sheet for every image type and the WCAG rules.
C
- Color Contrast: WCAG Ratios and How to Check Them
Color contrast decides whether people can read your text. Learn the WCAG ratios 4.5:1 and 3:1, common mistakes, and how to check your website's colors.