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| Rule ID | Description |
|---|---|
| area-alt | Ensure <area> elements of image maps have alternative text. |
| aria-allowed-attr | Ensure an element's role supports its ARIA attributes. |
| aria-braille-equivalent | Ensure aria-braillelabel and aria-brailleroledescription have a non-braille equivalent. |
| aria-command-name | Ensure every ARIA button, link and menuitem has an accessible name. |
| aria-conditional-attr | Ensure ARIA attributes are used as described in the specification of the element's role. |
| aria-deprecated-role | Ensure elements do not use deprecated roles. |
| aria-hidden-body | Ensure aria-hidden="true" is not present on the document body. |
| aria-hidden-focus | Ensure aria-hidden elements are not focusable nor contain focusable elements. |
| aria-input-field-name | Ensure every ARIA input field has an accessible name. |
| aria-meter-name | Ensure every ARIA meter node has an accessible name. |
| aria-progressbar-name | Ensure every ARIA progressbar node has an accessible name. |
| aria-prohibited-attr | Ensure ARIA attributes are not prohibited for an element's role. |
| aria-required-attr | Ensure elements with ARIA roles have all required ARIA attributes. |
| aria-required-children | Ensure elements with an ARIA role that require child roles contain them. |
| aria-required-parent | Ensure elements with an ARIA role that require parent roles are contained by them. |
| aria-roles | Ensure all elements with a role attribute use a valid value. |
| aria-toggle-field-name | Ensure every ARIA toggle field has an accessible name. |
| aria-tooltip-name | Ensure every ARIA tooltip node has an accessible name. |
| aria-valid-attr-value | Ensure all attributes that begin with aria- are valid ARIA attributes have valid values. |
| aria-valid-attr-value | Ensure attributes that begin with aria- are valid ARIA attributesall ARIA attributes have valid values. |
| autocomplete-valid | Ensures Ensure that the autocomplete attribute is correct and suitable for the form field. |
| avoid-inline-spacing | Ensures Ensure that text spacing set through style attributes can be adjusted with custom stylesheets. |
| blink | Ensure <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 | Ensure the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds. |
| definition-list | Ensure <dl> elements are structured correctly. |
| dlitem | Ensure <dt> and <dd> elements are contained by a <dl>. |
| document-title | Ensure 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 attributehave an accessible name. |
| frame-title-unique | Ensure <iframe> and <frame> elements have an accessible namecontain a unique title attribute. |
| 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. |
| 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 alternate 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 alternate 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. |
| no-autoplay-audio | Ensure <video> or <audio> elements do not autoplay audio for more than 3 three seconds without a control mechanism to stop or mute the audio. |
| object-alt | Ensure <object> elements have alternate alternative text. |
| role-img-alt | Ensure [role="img"] elements have alternate alternative text. |
| scrollable-region-focusable | Ensure elements that have scrollable content are accessible by keyboard in Safari. |
| select-name | Ensure select element has an accessible name. |
| 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. |
| target-size | Ensure touch targets have sufficient size and space. |
| td-headers-attr | Ensure that each cell in a table that uses the headers attribute refers only to other cells <th> elements in that table. |
| th-has-data-cells | Ensure that <th> elements and elements with role=columnheader/rowheader have data cells they describe. |
| valid-lang | Ensure lang attributes have valid values. |
| video-caption | Ensure <video> elements have captions. |
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