level: AA
Level AA is the standard level most websites aim to meet. Most countries, states, and municipalities base their accessibility laws on WCAG AA. When people say “accessible website,” they typically mean WCAG AA compliance. Successfully implement every success criterion under Level AA and A to achieve this standard.
3.3.3 Error Suggestion
Errors and validation messages must show text that explains the problem and gives suggestions for how to fix it (like “enter at least 8 characters”).
3.3.4 Error Prevention (Legal, Financial, Data)
Before submitting important actions (like payments or legal forms), the form must allow reviewing the input, correcting mistakes, or confirming.
3.3.8 Accessible Authentication (Minimum)
Authentication must not rely on memory alone. Allow copy-paste, password managers, or other options (like email verification).
4.1.3 Status Messages
Status updates (like “form sent” or “5 items in cart”) must be coded using proper roles (like role="status" or role="alert"), be detectable by assistive technologies, and not require moving focus.
