Understandable Flashcards
WCAG Principle - Understandable
- All users must be able to comprehend the information presented as well as how to operate the user interface
3.1.1 Language of Page (In Context)
- Default human language of each Web page can be programmatically determined
- Supports the understandable principle
Meeting SC 3.1.1 Language of Pages
The content of a website is written in the appropriate language and the programmatic language is set to the same language.
Accessibility Principle and Intent of SC 3.1.2 Language of Parts
Understandable, so that AT is able to determine when the language of a passage differs from the default language on a Web page
Disabilities Impacted by Nonconformance with SC 3.1.1 Language of Page
- Without Vision or With Limited Vision
- Without Hearing or With Limited Hearing
- With Limited Language, Cognitive, and Learning Abilities
Accessibility Principle and Intent of SC 3.1.1 Language of Page
Understandable, so that AT users can access content in the correct language
disabilities impacted by nonconformance with SC 3.1.2 Language of Parts
Without Vision or With Limited Vision; Without Hearing or With Limited Hearing; With Limited Language, Cognitive, and Learning Abilities
meeting SC 3.1.2 Language of Parts
Web pages with phrases in a different language than the programmatically marked default language must have that language programmatically defined
Changes of Context
Major changes in the content of the Web page that, if made without user awareness, can disorient users who are not able to view the entire page simultaneously
Changes in Context Include
- User agent
- View port
- Focus
- Content that changes the meaning of the web page
SC 3.2.1On Focus
Ensures that context does not change when an element receives focus (i.e., a user navigates to the form field using Tab)
SC 3.2.2 On Input
Ensures that content does not want change when an element receives input (i.e., entering text into a form field)
SC 3.2.3 Consistent Navigation
Navigational mechanisms that are repeated on multiple Web Pages occur in the same relative order each time they are repeated, unless a change is initiated by the user
3.2.4 Consistent Identification
Components that have the same functionality within a set of Web pages are identified consistently
Principle and Intent of SC 3.2.4 Consistent Identification
Understandable, to ensure that elements that perform the same function across different pages of a website are identified in a consistent manner
Disabilities Impacted by Nonconformance with SC 3.2.4 Consistent Identification
- Without Vision or With Limited Vision
- With Limited Language, Cognitive, and Learning Abilities
Disabilities Impacted by Nonconformance with SC 3.2.3 Consistent Navigation
- Without Vision or With Limited Vision
- With Limited Language, Cognitive, and Learning Abilities
Accessibility Principle and Intent of SC 3.2.3 Consistent Navigation
Understandable, to allow users to predict where repeated content is located and easily navigate the website
Accessibility Principle and Intent of SC 3.3.3
Understandable, to ensure that users receive appropriate suggestions for correction of an input error when possible.
