This resource is designed for anyone eager to master digital accessibility. Explore WCAG success criteria through clear, easy-to-understand descriptions. We owe a special "hat tip" to Johannes Lehner’s WCAG Card Deck, which served as the inspiration for this project.
We plan to expand this library over time, so please check back regularly for updates.
6 success criteria found for Level AA and Understandable principle and
Level Level AA, WCAG principle: Understandable
Assigned to the following themes: CODE AND LABELS WORDING
Any parts of the content in a different language must be marked with the correct lang attribute.
Expressions borrowed from another language (like "déjà vu" in English) do not need this, unless pronunciation or understanding would be affected.
Level Level AA, WCAG principle: Understandable
Assigned to the following themes: WHOLE SITE
Navigation elements (like menus, links, search) must appear in the same place and order across pages.
Level Level AA, WCAG principle: Understandable
Assigned to the following themes: WHOLE SITE
Elements with the same function must look, behave, and be labeled the same way across pages.
Level Level AA, WCAG principle: Understandable
Assigned to the following themes: FORMS WORDING
Errors and validation messages must show text that:
Level Level AA, WCAG principle: Understandable
Assigned to the following themes: FORMS WORDING
Important forms like a legal agreement or submitting financial information offer the opportunity to check the information entered before sending.
Level Level AA, WCAG principle: Understandable
Assigned to the following themes: FORMS
Authentication must not rely on memory alone.
Allow copy-paste, password managers, or other options (like email verification).