RESOURCES · 5 SECTIONS

Resources

Practical references for accessibility work — checklists, tools, reading, and a searchable glossary of accessibility and UDL terminology.

WCAG CHECKLIST

All WCAG 2.2 Level A and AA success criteria. Check items off as you audit, then use your browser's Print function to save or share a snapshot.

0 / 54 CHECKED

PERCEIVABLE

1.1.1A

Non-text ContentAll images, icons, charts, and decorative graphics have appropriate alt attributes.

1.2.1A

Audio-only / Video-onlyPre-recorded audio-only and video-only content has a text alternative or audio description.

1.2.2A

Captions (Pre-recorded)All pre-recorded video with audio has synchronized captions.

1.2.4AA

Captions (Live)Live video with audio has real-time captions.

1.2.5AA

Audio DescriptionPre-recorded video has audio description for visual content not conveyed in the audio.

1.3.1A

Info and RelationshipsStructure conveyed visually (headings, lists, tables) is also programmatically determinable.

1.3.2A

Meaningful SequenceContent reading order is logical when linearized.

1.3.3A

Sensory CharacteristicsInstructions do not rely solely on shape, color, size, or position.

1.3.4AA

OrientationContent is not restricted to a single orientation (portrait or landscape).

1.3.5AA

Identify Input PurposeForm inputs collecting personal data use autocomplete attributes.

1.4.1A

Use of ColorColor is not the only visual means of conveying information or indicating action.

1.4.2A

Audio ControlAudio that plays automatically for more than 3 seconds can be paused or stopped.

1.4.3AA

Contrast (Minimum)Text has at least 4.5:1 contrast ratio. Large text (18pt+ or 14pt+ bold) has 3:1.

1.4.4AA

Resize TextText can be resized to 200% without loss of content or function.

1.4.5AA

Images of TextText is used instead of images of text except for logos.

1.4.10AA

ReflowContent reflows to a single column at 320px width without horizontal scrolling.

1.4.11AA

Non-text ContrastUI components and focus indicators have at least 3:1 contrast against adjacent colors.

1.4.12AA

Text SpacingNo content or function is lost when line height, letter spacing, word spacing, and paragraph spacing are adjusted.

1.4.13AA

Content on Hover/FocusTooltips and content triggered by hover or focus are dismissible, hoverable, and persistent.

OPERABLE

2.1.1A

KeyboardAll functionality is available via keyboard alone.

2.1.2A

No Keyboard TrapFocus can always be moved away from any component using keyboard.

2.1.4A

Character Key ShortcutsSingle-character key shortcuts can be turned off, remapped, or only active on focus.

2.2.1A

Timing AdjustableTime limits can be turned off, adjusted, or extended.

2.2.2A

Pause, Stop, HideMoving or auto-updating content can be paused, stopped, or hidden.

2.3.1A

Three FlashesContent does not flash more than three times per second.

2.4.1A

Bypass BlocksA skip-navigation link or landmark structure allows users to bypass repeated content.

2.4.2A

Page TitledEach page has a descriptive, unique title.

2.4.3A

Focus OrderTab order follows a logical sequence through the content.

2.4.4A

Link PurposeLink purpose is clear from the link text or its context.

2.4.5AA

Multiple WaysMore than one way is provided to locate a page within a site.

2.4.6AA

Headings and LabelsHeadings and labels are descriptive.

2.4.7AA

Focus VisibleKeyboard focus indicator is visible.

2.4.11AA

Focus Not Obscured (Min)Focused component is not entirely hidden by author-created content.

2.5.1A

Pointer GesturesMulti-point or path-based gestures can be operated with a single pointer.

2.5.2A

Pointer CancellationActions triggered on pointer down can be cancelled or undone.

2.5.3A

Label in NameAccessible name of a component contains the visible text label.

2.5.4A

Motion ActuationFunctions triggered by device motion can also be operated via UI and motion can be disabled.

2.5.7AA

Dragging MovementsAll drag operations have a single-pointer alternative.

2.5.8AA

Target Size (Minimum)Target size is at least 24×24 CSS pixels.

UNDERSTANDABLE

3.1.1A

Language of PageDefault language of each page is identified in the HTML lang attribute.

3.1.2AA

Language of PartsLanguage of content passages in a different language is identified.

3.2.1A

On FocusReceiving focus does not trigger a context change.

3.2.2A

On InputChanging a UI component's value does not automatically trigger a context change.

3.2.3AA

Consistent NavigationNavigation repeated across pages appears in the same order.

3.2.4AA

Consistent IdentificationComponents with the same function are identified consistently.

3.2.6AA

Consistent HelpHelp mechanisms appear in the same location across pages.

3.3.1A

Error IdentificationInput errors are identified and described to the user in text.

3.3.2A

Labels or InstructionsLabels or instructions are provided when content requires user input.

3.3.3AA

Error SuggestionError messages include suggestions for correction when possible.

3.3.4AA

Error PreventionSubmissions are reversible, checked, or confirmed before final.

3.3.7A

Redundant EntryInformation already entered is not required again in the same session.

3.3.8AA

Accessible AuthenticationAuthentication does not require a cognitive function test unless an alternative is provided.

ROBUST

4.1.2A

Name, Role, ValueAll UI components expose name, role, and state to assistive technology.

4.1.3AA

Status MessagesStatus messages are programmatically determinable without receiving focus.