The WCAG Primer is intended for use by the UK cross government accessibility community.

Content related WCAG 2.1 A and AA Success Criteria

Here are the details of the success criteria that are related to content.

Perceivable

1.1 Text Alternatives

• 1.1.1 Non-text Content (A)

1.2 Time-based Media

• 1.2.1 Audio-only and Video-only (A)
• 1.2.2 Captions (Prerecorded) (A)
• 1.2.3 Audio Description or Media Alternative (A)
• 1.2.4 Captions (Live) (AA)
• 1.2.5 Audio Description (Prerecorded) (AA)

1.3 Adaptable

• 1.3.1 Info and Relationships (A)
• 1.3.3 Sensory Characteristics (A)

Operable

2.4 Navigable

• 2.4.2 Page Titled (A)
• 2.4.4 Link Purpose (In Context) (A)
• 2.4.6 Headings and Labels (AA)

2.5 Input Modalities

• 2.5.3 Label in Name (A)

Understandable

3.1 Readable

• 3.1.1 Language of Page (A)
• 3.1.2 Language of Parts (AA)

3.2 Predictable

• 3.2.4 Consistent Identification (AA)

3.3 Input Assistance

• 3.3.1 Error Identification (A)
• 3.3.2 Labels or Instructions (A)
• 3.3.3 Error Suggestion (AA)
• 3.3.4 Error Prevention (Legal, Financial, Data) (AA)

Robust

4.1.3 Status Messages

• 4.1.3 Status Messages (AA)