WCAG Guides

#1

Role="text" must not contain focusable elements

#2

User-scalable=no must not disable zoom

#3

Meta refresh must not auto-refresh under 20 hours in HTML

#4

Remove blinking and flashing content

#5

ARIA attributes must use valid names and values for WCAG

#6

ARIA tooltip needs an accessible name

#7

Valid ARIA role values are required

#8

ARIA roles require correct parent roles for accessibility

#9

ARIA required owned elements require child roles to work

#10

ARIA widget roles required attributes

#11

Prohibited ARIA attributes must not be used for roles in UI

#12

ARIA progressbar needs accessible name

#13

ARIA meter needs accessible names

#14

ARIA inputs need accessible names

#15

Aria-hidden elements must not contain focusable content

#16

Avoid aria-hidden on the document body element entirely

#17

Deprecated ARIA roles must not be used

#18

ARIA attributes must match role specs

#19

ARIA links, buttons, and menu items need accessible name

#20

ARIA attributes must match role rules

#21

Buttons must have discernible text

#22

Complementary landmark at top level

#23

Tabindex over 0 breaks logical focus

#24

ARIA toggle fields must have names

#25

Autocomplete must match input purpose

#26

Heading order must be hierarchical

#27

Banner landmark must be top-level

#28

Autoplay audio longer than 3s needs accessible controls

#29

ARIA attribute values must be valid

#30

Table headers must link to data cells

#31

Unique ID values for ARIA and labels

#32

Main landmark must be unique per page

#33

Aria-braillelabel and brailleroledescription must be paired

#34

Touch target size and spacing rules

#35

Links with same accessible name must match purpose sitewide

#36

Server-side image maps are not allowed

#37

Alt text must not duplicate link text

#38

Images need alt text or be decorative

#39

Avoid multiple labels on form fields

#40

Lists must contain only li elements

#41

Correct scope attribute on tables

#42

Nested interactive controls must not include focusable items

#43

Contentinfo landmark must be top-level

#44

Valid lang attribute language codes

#45

HTML lang and xml:lang must match

#46

Iframe titles must be unique and clear

#47

Text color contrast must meet WCAG AA

#48

Table headers must have visible text

#49

Iframes focusable content must not use tabindex=-1 (WCAG)

#50

Input buttons require discernible text

#51

Lang attribute must have a valid value

#52

HTML lang attribute needed on pages

#53

Landmarks: contain all page content

#54

Table caption and summary cannot match

#55

Unique landmark role/name combinations

#56

Single banner landmark per page only

#57

H1 heading must lead main content

#58

ARIA dialog accessible name required

#59

ARIA role values must be valid and never abstract roles

#60

Definition lists must contain ordered dt then dd elements

#61

Main landmark must be top-level only

#62

Distinguish links from surrounding text, not color alone

#63

Select elements need accessible labels

#64

Skip links need a focusable target

#65

One contentinfo landmark per page

#66

Make text spacing adjustable with CSS

#67

Data table headers must stay within their table scope only

#68

Keyboard access for scrollable content

#69

Image map areas must have alternate text for links and the image

#70

Unique iframe titles: fix and test

#71

Touch target size/spacing: 24px min

#72

SVG img role needs a text alternative

#73

ARIA treeitem requires accessible name

#74

Presentational elements must not be focusable or have ARIA

#75

Unique accesskey values on every page

#76

Text color contrast must meet WCAG ratios

#77

Role img elements must have alt text

#78

Dt and dd must be inside a dl element

#79

Image input buttons need alt text

#80

List items must be inside ul or ol

#81

Marquee elements must not be used

#82

Do not use the meta refresh tag

#83

Viewport must allow zoom (user-scalable)

#84

Object elements need text alternatives

#85

Captions track required for videos

#86

Page title must be non-empty, unique

#87

Main landmark to skip repeated blocks

#88

Headings must include discernible text

#89

Links need discernible text and focus

#90

Form elements require programmatic labels for WCAG 2.2

#91

Form input labels must be visible; avoid title/aria only