|
Rule ID
|
Description
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area-alt
|
Ensure <area> elements of image maps have alternative text
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aria-allowed-attr
|
Ensure an element's role supports its ARIA attributes
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aria-braille-equivalent
|
Make sure aria-braillelabel and aria-brailleroledescription have a non-braille equivalent
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aria-command-name
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ARIA commands must have an accessible name
|
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aria-conditional-attr
|
Ensure ARIA attributes are used as described in the specification of the element's role
|
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aria-deprecated-role
|
Make sure elements do not use deprecated roles
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aria-hidden-body
|
Make sure aria-hidden="true" is not present on the document body.
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aria-hidden-focus
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Ensure aria-hidden elements are not focusable nor contain focusable elements
|
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aria-input-field-name
|
Ensure every ARIA input field has an accessible name
|
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aria-meter-name
|
Make sure every ARIA meter node has an accessible name
|
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aria-progressbar-name
|
Every ARIA progressbar node must have an accessible name
|
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aria-prohibited-attr
|
Ensure ARIA attributes are not prohibited for an element's role
|
|
aria-required-attr
|
Make sure elements with ARIA roles have all required ARIA attributes
|
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aria-required-children
|
Ensure elements with an ARIA role that require child roles contain them
|
|
aria-required-parent
|
Make sure elements with an ARIA role that require parent roles are contained by them
|
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aria-roles
|
Ensure all elements with a role attribute use a valid value
|
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aria-toggle-field-name
|
Make sure every ARIA toggle field has an accessible name
|
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aria-tooltip-name
|
Ensure every ARIA tooltip node has an accessible name
|
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aria-valid-attr-value
|
Make sure all ARIA attributes have valid values
|
|
aria-valid-attr
|
Ensure attributes that begin with aria- are valid ARIA attributes
|
|
blink
|
Make sure <blink> elements are not used
|
|
button-name
|
Ensure buttons have discernible text
|
|
bypass
|
Ensure each page has at least one mechanism for a user to bypass navigation and jump straight to the content
|
|
color-contrast
|
Make sure each page has at least one mechanism for a user to bypass navigation and jump straight to the content
|
|
definition-list
|
Ensure <dl> elements are structured correctly
|
|
dlitem
|
Ensure <dt> and <dd> elements are contained by a <dl>
|
|
document-title
|
Make sure each HTML document contains a non-empty <title> element
|
|
duplicate-id-aria
|
Ensure every id attribute value used in ARIA and in labels is unique
|
|
form-field-multiple-labels
|
Ensure form field does not have multiple label elements
|
|
frame-focusable-content
|
Ensure <frame> and <iframe> elements with focusable content do not have tabindex=-1
|
|
frame-title-unique
|
Ensure <iframe> and <frame> elements contain a unique title attribute
|
|
frame-title
|
Make sure <iframe> and <frame> elements have an accessible name
|
|
html-has-lang
|
Ensure every HTML document has a lang attribute
|
|
html-lang-valid
|
Ensure the lang attribute of the <html> element has a valid value
|
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html-xml-lang-mismatch
|
Ensure that HTML elements with both valid lang and xml:lang attributes agree on the base language of the page
|
|
image-alt
|
Ensure <img> elements have alternative text or a role of none or presentation
|
|
input-button-name
|
Ensure input buttons have discernible text
|
|
input-image-alt
|
Ensure <input type="image"> elements have alternative text
|
|
label
|
Ensure every form element has a label
|
|
link-in-text-block
|
Ensure links are distinguished from surrounding text in a way that does not rely on color
|
|
link-name
|
Ensure links have discernible text
|
|
list
|
Ensure that lists are structured correctly
|
|
listitem
|
Ensure <li> elements are used semantically
|
|
marquee
|
Ensure <marquee> elements are not used
|
|
meta-refresh
|
Ensure <meta http-equiv="refresh"> is not used for delayed refresh
|
|
meta-viewport
|
Ensure <meta name="viewport"> does not disable text scaling and zooming
|
|
nested-interactive
|
Ensure interactive controls are not nested as they are not always announced by screen readers or can cause focus problems for assistive technologies
|
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no-autoplay-audio
|
Ensure <video> or <audio> elements do not autoplay audio for more than 3 seconds without a control mechanism to stop or mute the audio
|
|
object-alt
|
Ensure <object> elements have alternative text
|
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role-img-alt
|
Ensure [role="img"] elements have alternative text
|
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scrollable-region-focusable
|
Ensure elements that have scrollable content are accessible by keyboard
|
|
select-name
|
Ensure select element has an accessible name
|
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server-side-image-map
|
Ensure that server-side image maps are not used
|
|
summary-name
|
Ensure summary elements have discernible text
|
|
svg-img-alt
|
Ensure <svg> elements with an img, graphics-document or graphics-symbol role have an accessible text
|
|
td-headers-attr
|
Ensure that each cell in a table that uses the headers attribute refers only to other <th> elements in that table
|
|
th-has-data-cells
|
Ensure that <th> elements and elements with role=columnheader/rowheader have data cells they describe
|
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valid-lang
|
Ensure lang attributes have valid values
|
|
video-caption
|
Ensure <video> elements have captions
|