Level AAASince WCAG 2.0
3.1.5 Reading Level
Guideline 3.1: Readable – Language is declared and text is understandable.
What does the rule require?
If text is harder to read than expected after about 9 years of school, there is a simpler version or a summary.
How to get it right
Write short sentences with common words. For hard topics, offer a plain-language or easy-read version.
Who benefits most?
- People with cognitive disabilities
- People with dyslexia
- Everyone
Official wording
This page explains the rule in simple words. Only the original W3C text is normative.
- “Understanding Reading Level” at W3C (external site)
- Techniques in the WCAG Quick Reference (external site)