WCAG 2.1 Quick Reference
All success criteria at a glance with descriptions
Non-text Content
All non-text content has a text alternative that serves the equivalent purpose.
Learn more →Audio-only and Video-only
Alternatives are provided for prerecorded audio-only and video-only content.
Learn more →Captions (Prerecorded)
Captions are provided for all prerecorded audio content in synchronized media.
Learn more →Audio Description or Media Alternative
An alternative for time-based media or audio description is provided.
Learn more →Info and Relationships
Information, structure, and relationships conveyed through presentation can be programmatically determined.
Learn more →Meaningful Sequence
When the sequence affects meaning, a correct reading sequence can be programmatically determined.
Learn more →Sensory Characteristics
Instructions do not rely solely on sensory characteristics like shape, color, size, or sound.
Learn more →Use of Color
Color is not used as the only visual means of conveying information.
Learn more →Audio Control
If audio plays automatically, there is a mechanism to pause, stop, or control volume.
Learn more →Test your site against these criteria
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