3.1 Readable · Understandable
WCAG 3.1.5 Reading Level
Level AAA
When content requires reading ability beyond lower-secondary education, supplemental simpler content must be available.
Common failures
- Legal terms documents have no plain-language summary.
How to fix
- Pair complex content with a plain-language explainer.
Related criteria
- WCAG 3.1.3 Unusual Words Level AAA