Guideline 4.1

Compatible

An app should be compatible with as many devices as possible. Avoid errors in the source code. Set a name, role and value for all elements. Ensure status messages are also posted to assistive technologies.

Success Criteria

• 

  Parsing

  Ensure the source code of the app does not contain any errors and does not use any deprecated functions.

  Success Criterion 4.1.1 - Parsing
• 

  Name, Role, Value

  Ensure it is clear for users of assistive technologies what actions can be performed.

  Success Criterion 4.1.2 - Name, Role, Value
• 

  Status Messages

  Ensure that status messages are also passed to assistive technologies.

  Success Criterion 4.1.3 - Status Messages

Resources

• WCAG 2.2 - Guideline 4.1 - Compatible