3.1 Readable · Understandable
WCAG 3.1.4 Abbreviations
Level AAA
Provide an expansion or definition of every abbreviation.
Common failures
- Acronyms are never expanded on first use.
How to fix
- Use `<abbr title="...">` or expand the abbreviation in surrounding text.
Related criteria
- WCAG 3.1.3 Unusual Words Level AAA