Guideline 3 (Understandable) Flashcards
Success Criterion 3.1.1 Language of Page
Level A
The default human language of each Web page can be programmatically determined.
Success Criterion 3.1.2 Language of Parts
Level AA
The human language of each passage or phrase in the content can be programmatically determined except for proper names, technical terms, words of indeterminate language, and words or phrases that have become part of the vernacular of the immediately surrounding text.
Success Criterion 3.1.3 Unusual Words
Level AAA
A mechanism is available for identifying specific definitions of words or phrases used in an unusual or restricted way, including idioms and jargon.
Success Criterion 3.1.4 Abbreviations
Level AAA
A mechanism for identifying the expanded form or meaning of abbreviations is available.
Success Criterion 3.1.5 Reading Level
Level AAA
When text requires reading ability more advanced than the lower secondary education level after removal of proper names and titles, supplemental content, or a version that does not require reading ability more advanced than the lower secondary education level, is available.
Success Criterion 3.1.6 Pronunciation
Level AAA
A mechanism is available for identifying specific pronunciation of words where meaning of the words, in context, is ambiguous without knowing the pronunciation.
Success Criterion 3.2.1 On Focus
Level A
When any user interface component receives focus, it does not initiate a change of context.
Success Criterion 3.2.2 On Input
Level A
Changing the setting of any user interface component does not automatically cause a change of context unless the user has been advised of the behavior before using the component.
Success Criterion 3.2.3 Consistent Navigation
Level AA
Navigational mechanisms that are repeated on multiple Web pages within a set of Web pages occur in the same relative order each time they are repeated, unless a change is initiated by the user.
Success Criterion 3.2.4 Consistent Identification
Level AA
Components that have the same functionality within a set of Web pages are identified consistently.
Success Criterion 3.2.5 Change on Request
Level AAA
Changes of context are initiated only by user request or a mechanism is available to turn off such changes.
Success Criterion 3.3.1 Error Identification
Level A
If an input error is automatically detected, the item that is in error is identified and the error is described to the user in text.
Success Criterion 3.3.2 Labels or Instructions
Level A
Labels or instructions are provided when content requires user input.
Success Criterion 3.3.3 Error Suggestion
Level AA
If an input error is automatically detected and suggestions for correction are known, then the suggestions are provided to the user, unless it would jeopardize the security or purpose of the content.
Success Criterion 3.3.4 Error Prevention (Legal, Financial, Data)
Level AA
For Web pages that cause legal commitments or financial transactions for the user to occur, that modify or delete user-controllable data in data storage systems, or that submit user test responses, at least one of the following is true:
Reversible
Submissions are reversible.
Checked
Data entered by the user is checked for input errors and the user is provided an opportunity to correct them.
Confirmed
A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission.
