HTML & CSS · Senior · Question 37 of 75
How do WCAG conformance levels A, AA and AAA differ?
- 1They're versions of the standard: A - WCAG 1.0, AA - 2.0, AAA - 2.2
- ✓Correct answer: Strictness levels: A - minimum, AA - the usual target, AAA - maximum
- 3Target platforms: A - mobile, AA - desktop, AAA - print
Explanation
Each WCAG success criterion has a level. A covers basics (alt text, keyboard operation), AA adds contrast, visible focus and consistent navigation, AAA adds strict requirements such as 7:1 contrast and sign language for video. Versions of the standard are 2.0, 2.1 and 2.2.