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Accessibility testing guide

This guide outlines some approaches for testing websites and applications against the Web Content Accessibility Guidelines (WCAG) 2.2 AA Level. It is based on one interpretation of WCAG. WCAG can be difficult, so there are many other interpretations which might be conflicting but equally valid.

General guidance

• General tips
• Which pages to choose
• How to document issues
• Resources
• Mobile app testing

Success Criteria

• 1.1.1 Non-text Content
• 1.2.x Time-based Media
  • 1.2.1 Audio-only and Video-only (Prerecorded)
  • 1.2.2 Captions (Prerecorded)
  • 1.2.3 Audio Description or Media Alternative (Prerecorded)
  • 1.2.4 Captions (Live)
  • 1.2.5 Audio Description (Prerecorded)
• 1.3.1 Info and Relationships
• 1.3.2 Meaningful Sequence
• 1.3.3 Sensory Characteristics
• 1.3.4 Orientation
• 1.3.5 Identify Input Purpose
• 1.4.1 Use of Color
• 1.4.2 Audio Control
• 1.4.3 Contrast (Minimum)
• 1.4.4 Resize text
• 1.4.5 Images of Text
• 1.4.10 Reflow
• 1.4.11 Non-text Contrast
• 1.4.12 Text Spacing
• 1.4.13 Content on Hover or Focus
• 2.1.1 Keyboard
• 2.1.2 No Keyboard Trap
• 2.1.4 Character Key Shortcuts
• 2.2.1 Timing Adjustable
• 2.2.2 Pause, Stop, Hide
• 2.3.1 Three Flashes or Below Threshold
• 2.4.1 Bypass Blocks
• 2.4.2 Page Titled
• 2.4.3 Focus Order
• 2.4.4 Link Purpose (In Context)
• 2.4.5 Multiple Ways
• 2.4.6 Headings and Labels
• 2.4.7 Focus Visible
• 2.4.11 Focus Not Obscured (Minimum)
• 2.5.1 Pointer Gestures
• 2.5.2 Pointer Cancellation
• 2.5.3 Label in Name
• 2.5.4 Motion Actuation
• 2.5.7 Dragging Movements
• 2.5.8 Target Size (Minimum)
• 3.1.1 Language of Page
• 3.1.2 Language of Parts
• 3.2.1 On Focus
• 3.2.2 On Input
• 3.2.3 Consistent Navigation
• 3.2.4 Consistent Identification
• 3.2.6 Consistent Help
• 3.3.1 Error Identification
• 3.3.2 Labels or Instructions
• 3.3.3 Error Suggestion
• 3.3.4 Error Prevention (Legal, Financial, Data)
• 3.3.7 Redundant Entry
• 3.3.8 Accessible Authentication (Minimum)
• 4.1.1 Parsing
• 4.1.2 Name, Role, Value
• 4.1.3 Status Messages

All content is available under the Open Government Licence v3.0, except where otherwise stated or when quoted from other sources.

Accessibility statement for this guide