WCAG version: 2.0
Collection of success criterion published in WCAG version 2.0 in 2008.
3.1.6 Pronunciation
If a word can be pronounced more than one way, and each way has a different meaning, the meaning is clarified to avoid ambiguity.
3.2.1 On Focus
Nothing unexpected changes when something on the page receives keyboard focus, like a <button>
3.2.2 On Input
Nothing unexpected happens when a form field value is selected, like picking an option from a dropdown menu.
3.2.3 Consistent Navigation
Navigation is consistent from page to page.
3.2.4 Consistent Identification
Things that carry out a particular function must always look and work the same.
3.2.5 Change on Request
Nothing in the user interfaces changes without the user expressly requesting it using a
3.3.1 Error Identification
Errors must be clearly indicated and described to the user.
3.3.2 Labels or Instructions
Provide enough help to prevent form errors—sometimes the label is enough, but hint text or instructions might also be needed.
3.3.3 Error Suggestion
Helpful suggestions must be provided to help users correct their errors.
3.3.4 Error Prevention (Legal, Financial, Data)
Important forms like a legal agreement or submitting financial information offer the opportunity to check the information entered before sending.