PRINCIPLE 3: UNDERSTANDABLE

Question 1

GUIDELINE 3.1

Answer 1

READABLE

Make text content readable and understandable

Question 2

SUCCESS CRITERION 3.1.1

Answer 2

LANGUAGE OF PAGE (A)

The default human language of each web page can be programmatically determined

Question 3

SUCCESS CRITERION 3.1.2

Answer 3

LANGUAGE OF PARTS (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.

Question 4

GUIDELINE 3.2

Answer 4

PREDICTABLE

Make web pages appear and operate in predictable ways

Question 5

SUCCESS CRITERION 3.2.1

Answer 5

ON FOCUS (A)
When any user interface element receives focus, it does not initiate a change of context

Question 6

SUCCESS CRITERION 3.2.2

Answer 6

ON INPUT (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.

Question 7

SUCCESS CRITERION 3.2.3

Answer 7

CONSISTENT NAVIGATION (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.

Question 8

SUCCESS CRITERION 3.2.4

Answer 8

CONSISTENT IDENTIFICATION (AA)
Components that have the same functionality within a set of Web pages are identified consistently.

Question 9

GUIDELINE 3.3

Answer 9

INPUT ASSISTANCE

Help users avoid and correct mistakes

Question 10

SUCCESS CRITERION 3.3.1

Answer 10

ERROR IDENTIFICATION (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.

Question 11

SUCCESS CRITERION 3.3.2

Answer 11

LABELS OR INSTRUCTIONS (A)

Labels or instructions are provided when content requires user input.

Question 12

SUCCESS CRITERION 3.3.3

Answer 12

ERROR SUGGESTION (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.

Question 13

SUCCESS CRITERION 3.3.4

Answer 13

ERROR PREVENTION (LEGAL, FINANCIAL, DATA) (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.