A Comparison of WCAG 2.1 Success Criteria

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Num

Guideline

Level

Free

Manage

1. Preceivable (WCAG 2.1)

1.1 Text Alternatives
Num	Guideline	Level	Free	AI	Manage
Criteria	1.1.1 Non-text Content	A	No	Yes	Yes

1.2 Time-based Media
Num	Guideline	Level	Free	AI	Manage
Criteria	1.2.1 Audio-only and Video-only (Pre-recorded)	A	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.2 Captions (Pre-recorded)	A	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.3 Audio Description or Media Alternative (Pre-recorded)	A	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.4 Captions (Live)	AA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.5 Audio Description (Pre-recorded)	AA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.6 Sign Language (Pre-recorded)	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.7 Extended Audio description (Pre-recorded)	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.8 Media Alternative (Pre-recorded)	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	1.2.9 Audio Only (Live)	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility

1.3 Adaptable
Num	Guideline	Level	Free	AI	Manage
Criteria	1.3.1 Info and Relationships	A	No	Yes	Yes
Criteria	1.3.2 Meaningful Sequence	A	No	Yes	Yes
Criteria	1.3.3 Sensory Characteristics	A	No	No	Yes
Criteria	1.3.4 Orientation (WCAG 2.1)	AA	No	Yes	Yes
Criteria	1.3.5 Identify Input Purpose (WCAG 2.1)	AA	No	Yes	Yes
Criteria	1.3.6 Identify Purpose (WCAG 2.1)	AAA	No	Yes	Yes

1.4 Distinguishable
Num	Guideline	Level	Free	AI	Manage
Criteria	1.4.1 Use of Colour	A	Yes	Yes	Yes
Criteria	1.4.2 Audio Control	A	No	Yes	Yes
Criteria	1.4.3 Contrast (Minimum)	AA	Yes	Yes	Yes
Criteria	1.4.4 Resize Text	AA	Yes	Yes	Yes
Criteria	1.4.5 Images of Text	AA	No	Yes	Yes
Criteria	1.4.6 Contrast (Enhanced)	AAA	Yes	Yes	Yes
Criteria	1.4.7 Low or No Background Audio	AAA	No	Yes	Yes
Criteria	1.4.8 Visual Presentation	AAA	Yes	Yes	Yes
Criteria	1.4.9 Images of Text (No Exception)	AAA	No	Yes	Yes
Criteria	1.4.10 Reflow (WCAG 2.1)	AA	Yes	Yes	Yes
Criteria	1.4.11 Non-Text Contrast (WCAG 2.1)	AA	Yes	Yes	Yes
Criteria	1.4.12 Text Spacing (WCAG 2.1)	AA	Yes	Yes	Yes
Criteria	1.4.13 Content on Hover or Focus (WCAG 2.1)	AA	Yes	Yes	Yes

2. Operable (WCAG 2.1)

2.1 Keyboard Accessible
Num	Guideline	Level	Free	AI	Manage
Criteria	2.1.1 Keyboard	A	No	Yes	Yes
Criteria	2.1.2 No Keyboard Trap	A	No	No	Yes
Criteria	2.1.3 Keyboard (No Exception)	AAA	No	Yes	Yes
Criteria	2.1.4 Character Key Shortcuts (WCAG 2.1)	A	No	Yes	Yes

2.2 Enough Time
Num	Guideline	Level	Free	AI	Manage
Criteria	2.2.1 Timing Adjustable	A	No	Yes	Yes
Criteria	2.2.2 Pause, Stop, Hide	A	No	Yes	Yes
Criteria	2.2.3 No Timing	AAA	No	Yes	Yes
Criteria	2.2.4 Interruptions	AAA	No	Yes	Yes
Criteria	2.2.5 Re-authenticating	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	2.2.6 Timeouts (WCAG 2.1)	AAA	No	Yes	Yes

2.3 Seizures and Physical Reactions
Num	Guideline	Level	Free	AI	Manage
Criteria	2.3.1 Three Flashes or Below	A	No	Yes	Yes
Criteria	2.3.2 Three Flashes	AAA	No	Yes	Yes
Criteria	2.3.3 Animation from Interactions (WCAG 2.1)	AAA	No	No	Yes

2.4 Navigable
Num	Guideline	Level	Free	AI	Manage
Criteria	2.4.1 Bypass Blocks	A	No	Yes	Yes
Criteria	2.4.2 Page Titled	A	No	Yes	Yes
Criteria	2.4.3 Focus Order	A	No	Yes	Yes
Criteria	2.4.4 Link Purpose (In Context)	A	No	Yes	Yes
Criteria	2.4.5 Multiple Ways	AA	No	Yes	Yes
Criteria	2.4.6 Headings and Labels	AA	No	Yes	Yes
Criteria	2.4.7 Focus Visible	AA	No	Yes	Yes
Criteria	2.4.8 Location	AAA	No	Yes	Yes
Criteria	2.4.9 Link Purpose (Link Only)	AAA	No	Yes	Yes
Criteria	2.4.10 Section Headings	AAA	No	No	Yes

2.5 Input Modalities
Num	Guideline	Level	Free	AI	Manage
Criteria	2.5.1 Pointer Gestures (WCAG 2.1)	A	No	No	Yes
Criteria	2.5.2 Pointer Cancellation (WCAG 2.1)	A	No	No	Yes
Criteria	2.5.3 Label in Name (WCAG 2.1)	A	No	Yes	Yes
Criteria	2.5.4 Motion Actuation (WCAG 2.1)	A	No	Yes	Yes
Criteria	2.5.5 Target Size (WCAG 2.1)	AAA	No	Yes	Yes
Criteria	2.5.6 Concurrent Input Mechanisms (WCAG 2.1)	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility

3. Understandable (WCAG 2.1)

3.1 Readable
Num	Guideline	Level	Free	AI	Manage
Criteria	3.1.1 Language of Page	A	No	Yes	Yes
Criteria	3.1.2 Language of Parts	AA	No	Yes	Yes
Criteria	3.1.3 Unusual words	AAA	No	No	Yes
Criteria	3.1.4 Abbreviations	AAA	No	No	Yes
Criteria	3.1.5 Reading Level	AAA	No	No	Yes
Criteria	3.1.6 Pronunciation	AAA	No	No	Yes

3.2 Predictable
Num	Guideline	Level	Free	AI	Manage
Criteria	3.2.1 On Focus	A	No	Yes	Yes
Criteria	3.2.2 On Input	A	No	Yes	Yes
Criteria	3.2.3 Consistent Navigation	AA	No	Yes	Yes
Criteria	3.2.4 Consistent Identification	AA	No	Yes	Yes
Criteria	3.2.5 Change on Request	AAA	No	Yes	Yes

3.3 Input Assistance
Num	Guideline	Level	Free	AI	Manage
Criteria	3.3.1 Error Identification	A	No	No	Yes
Criteria	3.3.2 Labels or Instructions	A	No	Yes	Yes
Criteria	3.3.3 Error Suggestion	AA	No	No	Yes
Criteria	3.3.4 Error Prevention (Legal, Financial, Data)	AA	No	Yes	Yes
Criteria	3.3.5 Help	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	3.3.6 Error Prevention (All)	AAA	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility

4. Robust (WCAG 2.1)

4.1 Compatible
Num	Guideline	Level	Free	AI	Manage
Criteria	4.1.1 Parsing	A	CRCustomer Responsibility	CRCustomer Responsibility	CRCustomer Responsibility
Criteria	4.1.2 Name, Role, Value	A	No	Yes	Yes
Criteria	4.1.3 Status Messages (WCAG 2.1)	AA	No	No	Yes

*CR = Customer Responsibility