Accessibility checklist and guidance for content designers

This checklist contains information and guidance on the Web Content Accessibility Guidelines (WCAG) success criteria. It can be used to help carry out an initial evaluation of your service.

Accessibility checklist and guidance, column headers with buttons are sortable
Success criteria Level Description What this affects Severity Who is responsible Knowledge to test Time to test Test procedure
1.1.1 Non-text Content A Images that convey meaning have suitable alternative text and images that serve a decorative purpose have a null alternative text assigned Screen reader
  • Minor
  • Moderate
  • Severe
  • Content
  • Developer
Medium Medium
  • ARC Toolkit
  • Manual
  • Some support from tools
  • Screen reader
1.2.1 Audio-only and Video-only (Prerecorded) A A transcript is provided for audio only content (such as a podcast)
  • Cognition
  • Deafness
Blocker
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
1.2.1 Audio-only and Video-only (Prerecorded) A Essential content that is communicated visually in videos is also available as audio or text Screen reader Blocker
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
1.2.2 Captions (prerecorded) A Captions are provided for video with audio
  • Cognition
  • Deafness
Blocker
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
1.2.3 Audio Description or Media Alternative (Prerecorded) A When there is audiovisual content (video) you can work out what is going on from the audio or an audio description is provided Screen reader Blocker
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
1.2.4 Captions (Live) AA Captions are provided for video with audio
  • Cognition
  • Deafness
Blocker
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
1.2.5 Audio Description (Prerecorded) AA When there is audiovisual content (video) you can work out what is going on from the provided audio description Screen reader Blocker
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
1.3.1 Info and Relationships A The HTML structure and semantices reflects the intent - landmarks, headings, lists, data tables Screen reader
  • Minor
  • Moderate
  • Severe
  • Content
  • Developer
Medium Medium
  • ARC Toolkit
  • Manual
  • Screen reader
  • Some support from tools
  • Web inspector tool
1.3.3 Sensory Characteristics A Instructions provided for understanding and interacting with content does not solely rely on shape, size, sound, visual location or orientation Screen reader
  • Minor
  • Moderate
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
2.4.2 Page Titles A Page titles are unique and reflect the purpose of the page Screen reader
  • Moderate
  • Severe
  • Content
  • Developer
Easy Quick
  • ARC Toolkit
  • Browser
  • Inspect code
  • Manual
  • Screen reader
2.4.4 Link Purpose A Ambiguous link phrases have not been used. The purpose of the link can be determined from the link text alone or it has been programmatically defined.
  • Cognition
  • Screen reader
Moderate
  • Content
  • Designer
  • Developer
Medium Quick
  • Manual
  • Screen reader
  • Some support from tools
  • Visual inspection
2.4.6 Headings and Labels AA Headings and labels clearly describe the topic or purpose
  • Cognition
  • Screen reader
Moderate Content Quick Quick
  • Manual
  • Visual inspection
3.1.2 Language of Parts AA Correct language codes for different languages on the page has been set where applicable Screen reader Moderate
  • Content
  • Developer
Medium Quick
  • Manual
  • Web inspector tool
3.2.4 Consistent Identification AA Terms used for functionality are consistently used Cognition Moderate
  • Content
  • Designer
Easy Quick
  • Manual
  • Visual inspection
3.2.6 Consistent Help A Any help provided is done so consistently Cognition Moderate
  • Content
  • Designer
Medium Medium
  • Manual
  • Visual inspection
3.3.1 Error Identification A Where an error occurs, the issue can be identified and is described to the user in text Cognition Moderate
  • Content
  • Designer
Medium Medium
  • Manual
  • Visual inspection
3.3.2 Labels or Instructions A Appropriate labels or instructions are provided when content requires user input, form labels are always visible Cognition Moderate Content Medium Medium
  • Manual
  • Visual inspection
3.3.3 Error suggestion AA Error messages are actually useful, e.g. provide a useful next step or way of entering valid data Cognition Medium
  • Content
  • Designer
  • Developer
Medium Medium
  • Manual
  • Visual inspection