Rules by Rule Scope

Website

Rule ID	Summary	Level	Conformance	SC	Result Values
Help 1	Consistent ordering of help	AA	Required	3.2.6		MC
Landmark 3	navigation landmark: at least one	A	Required	2.4.1	F		P	H
Navigation 1	At least two ways of finding content	AA	Required	2.4.5		MC
Navigation 2	Consistent ordering of landmarks	AA	Required	3.2.3		MC
Navigation 3	Consistent ordering of h1 and h2 labels	AA	Required	3.2.3	F	MC
Navigation 4	Consistent labeling of landmarks	AA	Required	3.2.4		MC
Navigation 5	Consistent h1 and h2 page section labels	AA	Required	3.2.4	F	MC

Page

Rule ID	Summary	Level	Conformance	SC	Result Values
Audio 2	Audio Control	A	Required	1.4.2		MC
Authorization 1	Accessible Authorization (Minimum)	AA	Required	3.3.8		MC
Bypass 1	Skip to main content link	A	Required	2.4.1	F	MC	P
Color 2	Use of color	A	Required	1.4.1		MC
Error 4	Prevent errors	AA	Required	3.3.4		MC		H
Heading 1	Page should have h1 element	A	Recommended	2.4.1	F		P	H
Heading 5	Headings must be properly nested	A	Recommended	1.3.1	F	MC	P	H
Keyboard 2	Sequential tab order of focusable elements must be meaningful	A	Required	2.4.3		MC	P	H
Keyboard 5	Focus must be discernible	AA	Required	2.4.7		MC		H
Keyboard 7	Content on Hover or Focus	AA	Required	1.4.13		MC
Keyboard 8	Focus Order	A	Required	2.4.3		MC
Keyboard 9	Focus is not obscured (Minimum)	AA	Required	2.4.11		MC
Landmark 1	main landmark: at least one	A	Required	2.4.1	F		P	H
Landmark 4	banner landmark: identifies branding content	A	Required	2.4.1		MC	P	H
Landmark 5	banner landmark: no more than one	A	Required	2.4.1	F		P	H
Landmark 6	contentinfo landmark: identifies admin content	A	Required	2.4.1		MC	P	H
Landmark 7	contentinfo landmark: no more than one	A	Required	2.4.1	F		P	H
Language 1	Page must use language code	A	Required	3.1.1	F		P
Language 2	Identify language changes	AA	Required	3.1.2	F	MC	P	H
Layout 1	Layout tables must have meaningful sequence	A	Required	1.3.2		MC	P	H
Layout 4	Do not restrict view or operation.	AA	Required	1.3.4		MC
List 1	Use semantic markup for lists	A	Required	1.3.1		MC		H
Live 1	Live regions for status and error messages	AA	Required	4.1.3		MC		H
Motion 1	Motion Actuation	A	Required	2.5.4		MC
Pointer 1	Pointer Gestures	A	Required	2.5.1		MC
Pointer 2	Pointer Cancellation	A	Required	2.5.2		MC
Pointer 3	Dragging Movements	AA	Required	2.5.7		MC
Resize 1	Resize text content	AA	Required	1.4.4		MC
Resize 2	Support small screen dimensions	AA	Required	1.4.10		MC
Sensory 1	Not only shape, size and location	A	Required	1.3.3		MC
Shortcut 1	Character Key Shortcuts	A	Required	2.1.4		MC
Spacing 1	Text Spacing	AA	Required	1.4.12		MC
Title 1	title must identify website and page	A	Required	2.4.2	F	MC
Title 2	h1 must match part of the title	A	Required	2.4.2	F	MC	P	H
Timing 1	Control time limits	A	Required	2.2.1		MC
Timing 2	Control moving, blinking or auto-updating content	A	Required	2.2.2		MC		H
Timing 3	Flashing limits	A	Required	2.3.1		MC		H

Element

Rule ID	Summary	Level	Conformance	SC	Result Values
Audio 1	Audio-only (Prerecorded)	A	Required	1.2.1	F	MC	P	H
Color 1	Color contrast of text: Minimum	AA	Required	1.4.3	F	MC	P	H
Color 3	Color contrast of text: Enhanced	AAA	Recommended	1.4.6	F	MC	P	H
Color 4	Color contrast of user interface controls	AA	Required	1.4.11		MC		H
Color 5	Color contrast of graphics	AA	Required	1.4.11		MC		H
Error 1	Using aria-invalid to identify the validity of control values.	A	Required	3.3.1	F	MC	P	H
Error 2	Using aria-required to identify required form controls and widgets	AA	Required	3.3.3	F		P	H
Error 3	Error correction suggestions	AA	Required	3.3.3		MC		H
Frame 1	frame must have accessible name	A	Required	2.4.1	F	MC	P	H
Frame 2	iframe must have accessible name	A	Required	2.4.1	F	MC	P	H
Control 1	Form controls must have labels	A	Required	3.3.2	F	MC	P	H
Control 2	Image button must have alt. content	A	Required	3.3.2	F		P	H
Control 3	Radio buttons must have grouping label	A	Required	3.3.2	F		P	H
Control 4	buttons should have text content	A	Recommended	3.3.2	F	MC	P	H
Control 5	id must be unique	A	Required	4.1.1	F		P
Control 6	label must reference control	A	Required	3.3.2	F	MC	P	H
Control 7	label must have content	A	Required	3.3.2	F	MC	P	H
Control 8	fieldset must have one legend	A	Required	3.3.2	F		P	H
Control 9	Verify title is the label.	A	Required	3.3.2		MC		H
Control 10	Accessible name must be unique	AA	Required	2.4.6	F	MC	P	H
Control 11	Submit and reset button labels must be unique	AA	Required	2.4.6	F		P	H
Control 12	Forms submitted using buttons	A	Required	3.2.2	F	MC	P	H
Control 13	name attribute supports auto fill	AA	Required	1.3.5		MC	P	H
Control 14	Use native HTML attributes when available	A	Required	4.1.2	F	MC		H
Control 15	Label in name for controls	A	Required	2.5.3		MC		H
Control 16	Redundant Entry	A	Required	3.3.7		MC	P	H
Control 17	Avoid label encapsulation	A	Required	3.3.2	F		P	H
Heading 2	h1 should be in main or banner landmark	AA	Recommended	2.4.6	F		P	H
Heading 3	Sibling headings should be unique	AA	Recommended	2.4.6	F		P	H
Heading 6	Headings should have text content	A	Recommended	1.3.1	F		P	H
Heading 7	First landmark heading h2	A	Recommended	1.3.1	F		P	H
HTML 1	Replace marquee elements	A	Required	2.3.1	F			H
Image 1	Images must have alt text	A	Required	1.1.1	F		P	H
Image 2	Alt text must summarize purpose	A	Required	1.1.1		MC		H
Image 3	Alt text must not include filename	A	Required	1.1.1	F		P	H
Image 4	Alt text no more than 100 characters	A	Required	1.1.1		MC	P	H
Image 5	Image is decorative	A	Required	1.1.1		MC		H
Image 6	Long description for complex images	A	Required	1.1.1	F	MC		H
Image 7	Use MathJax for mathematical expressions	A	Required	1.1.1		MC		H
Image 8	Add role to svg element	A	Required	4.1.2	F	MC		H
Keyboard 1	ARIA widget keyboard support	A	Required	2.1.1		MC		H
Keyboard 3	No keyboard trap	A	Required	2.1.2		MC		H
Keyboard 4	Avoid tabindex > 0	A	Required	2.1.2		MC		H
Keyboard 6	select must not change context	A	Required	3.2.2		MC		H
Landmark 2	All content must be contained in landmarks	A	Required	1.3.1	F	MC	P	H
Landmark 8	banner landmark: must be top-level	A	Recommended	1.3.1	F		P	H
Landmark 9	banner landmark: restrictions	A	Required	1.3.1	F		P	H
Landmark 10	navigation landmark: restrictions	A	Required	1.3.1	F		P	H
Landmark 11	main landmark: must be top-level	A	Required	1.3.1	F		P	H
Landmark 12	contentinfo landmark: must be top-level	A	Required	1.3.1	F		P	H
Landmark 13	contentinfo landmark: restrictions	A	Required	1.3.1	F		P	H
Landmark 14	search landmark: restrictions	A	Required	1.3.1	F		P	H
Landmark 15	form landmark: restrictions	A	Required	1.3.1	F		P	H
Landmark 16	region landmark must have accessible name	A	Required	1.3.1		MC	P	H
Landmark 17	Landmarks must be uniquely identifiable	A	Required	1.3.1	F		P	H
Landmark 18	Landmarks must identify content regions	A	Required	1.3.1		MC		H
Landmark 19	complementary landmark: must be top level	A	Recommended	1.3.1	F		P	H
Layout 2	Do not nest layout tables	A	Required	1.3.2	F		P	H
Layout 3	aria-flowto changes reading order	A	Required	1.3.2		MC		H
Link 1	Link text must describe the link target	A	Required	2.4.4	F	MC		H
Link 2	Link text should be unique	A	Recommended	2.4.4	F		P
Link 3	Target focus should be in content window	A	Required	3.2.1		MC		H
Link 4	Label in name for links	A	Required	2.5.3		MC		H
List 2	Provide list labels when appropriate	AA	Required	2.4.6		MC		H
Order 1	Reading order: CSS positioning	A	Required	1.3.2		MC		H
Shortcut 2	Avoid using accesskey for shortcuts	A	Required	2.1.4		MC		H
Table 1	Data cells must have row/column headers	A	Required	1.3.1	F	MC	P	H
Table 2	Data tables must have name	AA	Required	2.4.6	F		P	H
Table 3	Data tables may have description	A	Required	1.3.1		MC	P	H
Table 4	Data tables should have unique names	A	Required	1.3.1	F		P	H
Table 5	Identify table markup as data or layout	A	Required	1.3.1	F	MC	P	H
Table 6	Header cells should be th elements	A	Recommended	1.3.1	F		P	H
Table 7	Data cells must use headers attribute	A	Required	1.3.1	F		P	H
Table 8	Name must be different than description	A	Required	1.3.1	F	MC	P	H
Target Size 1	Author sizing of links (Minimum)	AA	Required	2.5.8	F		P	H
Target Size 2	Author sizing of links (Enhanced)	AAA	Recommended	2.5.5	F		P	H
Target Size 3	Button target size (Minimum)	AA	Required	2.5.8	F		P	H
Target Size 4	Button target size (Enhanced)	AAA	Recommended	2.5.5	F		P	H
Target Size 5	Radio button and checkbox target size (Minimum)	AA	Required	2.5.8	F		P	H
Target Size 6	Radio button and checkbox target size (Enhanced)	AAA	Recommended	2.5.5	F		P	H
Video 1	Video-only (Prerecorded)	A	Required	1.2.1		MC	P	H
Video 2	Captions (Prerecorded)	A	Required	1.2.2		MC	P	H
Video 3	Audio Description or Media Alternative (Prerecorded)	A	Required	1.2.3		MC	P	H
Video 4	Captions (Live)	AA	Required	1.2.4		MC	P	H
Video 5	Audio Description (Prerecorded)	AA	Required	1.2.5		MC	P	H
Widget 1	Accessible name is required	A	Required	4.1.2	F	MC	P	H
Widget 2	onClick event handlers must have widget role	A	Required	4.1.2	F	MC	P	H
Widget 3	role must be valid	A	Required	4.1.2	F	MC	P	H
Widget 4	Values must be valid	A	Required	4.1.2	F		P	H
Widget 5	Attributes that start with aria- must be defined.	A	Required	4.1.2	F		P	H
Widget 6	Widgets must set properties	A	Required	4.1.2	F		P	H
Widget 7	Widgets must have owned elements	A	Required	4.1.2	F	MC	P	H
Widget 8	Role must have parent	A	Required	4.1.2	F		P	H
Widget 9	Only one owner	A	Required	4.1.2	F		P
Widget 10	Value in range	A	Required	4.1.2	F		P	H
Widget 11	Verify aria-valuetext value.	A	Required	4.1.2	F	MC		H
Widget 12	Accessible name is descriptive	AA	Required	2.4.6	F	MC		H
Widget 13	Role does not support accessible name.	A	Required	4.1.2	F			H
Widget 14	Unsupported and deprecated ARIA attributes.	A	Required	4.1.1	F			H
Widget 15	Closed shadow DOM requires manual check.	A	Required	2.1.1		MC		H