- WCAG 2.0 Level A & AA Rules
- WCAG 2.1 Level A & AA Rules
- WCAG 2.2 Level A & AA Rules
- Best Practices Rules
- WCAG 2.x level AAA rules
- Experimental Rules
- Deprecated Rules
| Rule ID | Description | Impact | Tags | Issue Type | ACT Rules |
|---|---|---|---|---|---|
| area-alt | Ensure <area> elements of image maps have alternative text | Critical | cat.text-alternatives, wcag2a, wcag244, wcag412, section508, section508.22.a, TTv5, TT6.a, EN-301-549, EN-9.2.4.4, EN-9.4.1.2, ACT, RGAAv4, RGAA-1.1.2 | failure, needs review | c487ae |
| aria-allowed-attr | Ensure an element's role supports its ARIA attributes | Critical | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure, needs review | 5c01ea |
| aria-braille-equivalent | Ensure aria-braillelabel and aria-brailleroledescription have a non-braille equivalent | Serious | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2 | needs review | |
| aria-command-name | Ensure every ARIA button, link and menuitem has an accessible name | Serious | cat.aria, wcag2a, wcag412, TTv5, TT6.a, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-11.9.1 | failure, needs review | 97a4e1 |
| aria-conditional-attr | Ensure ARIA attributes are used as described in the specification of the element's role | Serious | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure | 5c01ea |
| aria-deprecated-role | Ensure elements do not use deprecated roles | Minor | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure | 674b10 |
| aria-hidden-body | Ensure aria-hidden="true" is not present on the document body. | Critical | cat.aria, wcag2a, wcag131, wcag412, EN-301-549, EN-9.1.3.1, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure | |
| aria-hidden-focus | Ensure aria-hidden elements are not focusable nor contain focusable elements | Serious | cat.name-role-value, wcag2a, wcag412, TTv5, TT6.a, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure, needs review | 6cfa84 |
| aria-input-field-name | Ensure every ARIA input field has an accessible name | Serious | cat.aria, wcag2a, wcag412, TTv5, TT5.c, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-11.1.1 | failure, needs review | e086e5 |
| aria-meter-name | Ensure every ARIA meter node has an accessible name | Serious | cat.aria, wcag2a, wcag111, EN-301-549, EN-9.1.1.1, RGAAv4, RGAA-11.1.1 | failure, needs review | |
| aria-progressbar-name | Ensure every ARIA progressbar node has an accessible name | Serious | cat.aria, wcag2a, wcag111, EN-301-549, EN-9.1.1.1, RGAAv4, RGAA-11.1.1 | failure, needs review | |
| aria-prohibited-attr | Ensure ARIA attributes are not prohibited for an element's role | Serious | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure, needs review | 5c01ea |
| aria-required-attr | Ensure elements with ARIA roles have all required ARIA attributes | Critical | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure | 4e8ab6 |
| aria-required-children | Ensure elements with an ARIA role that require child roles contain them | Critical | cat.aria, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-9.3.1 | failure, needs review | bc4a75, ff89c9 |
| aria-required-parent | Ensure elements with an ARIA role that require parent roles are contained by them | Critical | cat.aria, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-9.3.1 | failure | ff89c9 |
| aria-roles | Ensure all elements with a role attribute use a valid value | Critical | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure | 674b10 |
| aria-toggle-field-name | Ensure every ARIA toggle field has an accessible name | Serious | cat.aria, wcag2a, wcag412, TTv5, TT5.c, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-7.1.1 | failure, needs review | e086e5 |
| aria-tooltip-name | Ensure every ARIA tooltip node has an accessible name | Serious | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2 | failure, needs review | |
| aria-valid-attr-value | Ensure all ARIA attributes have valid values | Critical | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure, needs review | 6a7281 |
| aria-valid-attr | Ensure attributes that begin with aria- are valid ARIA attributes | Critical | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure | 5f99a7 |
| blink | Ensure <blink> elements are not used | Serious | cat.time-and-media, wcag2a, wcag222, section508, section508.22.j, TTv5, TT2.b, EN-301-549, EN-9.2.2.2, RGAAv4, RGAA-13.8.1 | failure | |
| button-name | Ensure buttons have discernible text | Critical | cat.name-role-value, wcag2a, wcag412, section508, section508.22.a, TTv5, TT6.a, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-11.9.1 | failure, needs review | 97a4e1, m6b1q3 |
| bypass | Ensure each page has at least one mechanism for a user to bypass navigation and jump straight to the content | Serious | cat.keyboard, wcag2a, wcag241, section508, section508.22.o, TTv5, TT9.a, EN-301-549, EN-9.2.4.1, RGAAv4, RGAA-12.7.1 | needs review | cf77f2, 047fe0, b40fd1, 3e12e1, ye5d6e |
| color-contrast | Ensure the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds | Serious | cat.color, wcag2aa, wcag143, TTv5, TT13.c, EN-301-549, EN-9.1.4.3, ACT, RGAAv4, RGAA-3.2.1 | failure, needs review | afw4f7, 09o5cg |
| definition-list | Ensure <dl> elements are structured correctly | Serious | cat.structure, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-9.3.3 | failure | |
| dlitem | Ensure <dt> and <dd> elements are contained by a <dl> | Serious | cat.structure, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-9.3.3 | failure | |
| document-title | Ensure each HTML document contains a non-empty <title> element | Serious | cat.text-alternatives, wcag2a, wcag242, TTv5, TT12.a, EN-301-549, EN-9.2.4.2, ACT, RGAAv4, RGAA-8.5.1 | failure | 2779a5 |
| duplicate-id-aria | Ensure every id attribute value used in ARIA and in labels is unique | Critical | cat.parsing, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-8.2.1 | needs review | 3ea0c8 |
| form-field-multiple-labels | Ensure form field does not have multiple label elements | Moderate | cat.forms, wcag2a, wcag332, TTv5, TT5.c, EN-301-549, EN-9.3.3.2, RGAAv4, RGAA-11.2.1 | needs review | |
| frame-focusable-content | Ensure <frame> and <iframe> elements with focusable content do not have tabindex=-1 | Serious | cat.keyboard, wcag2a, wcag211, TTv5, TT4.a, EN-301-549, EN-9.2.1.1, RGAAv4, RGAA-7.3.2 | failure, needs review | akn7bn |
| frame-title-unique | Ensure <iframe> and <frame> elements contain a unique title attribute | Serious | cat.text-alternatives, wcag2a, wcag412, TTv5, TT12.d, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-2.2.1 | needs review | 4b1c6c |
| frame-title | Ensure <iframe> and <frame> elements have an accessible name | Serious | cat.text-alternatives, wcag2a, wcag412, section508, section508.22.i, TTv5, TT12.d, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-2.1.1 | failure, needs review | cae760 |
| html-has-lang | Ensure every HTML document has a lang attribute | Serious | cat.language, wcag2a, wcag311, TTv5, TT11.a, EN-301-549, EN-9.3.1.1, ACT, RGAAv4, RGAA-8.3.1 | failure | b5c3f8 |
| html-lang-valid | Ensure the lang attribute of the <html> element has a valid value | Serious | cat.language, wcag2a, wcag311, TTv5, TT11.a, EN-301-549, EN-9.3.1.1, ACT, RGAAv4, RGAA-8.4.1 | failure | bf051a |
| html-xml-lang-mismatch | Ensure that HTML elements with both valid lang and xml:lang attributes agree on the base language of the page | Moderate | cat.language, wcag2a, wcag311, EN-301-549, EN-9.3.1.1, ACT, RGAAv4, RGAA-8.3.1 | failure | 5b7ae0 |
| image-alt | Ensure <img> elements have alternative text or a role of none or presentation | Critical | cat.text-alternatives, wcag2a, wcag111, section508, section508.22.a, TTv5, TT7.a, TT7.b, EN-301-549, EN-9.1.1.1, ACT, RGAAv4, RGAA-1.1.1 | failure, needs review | 23a2a8 |
| input-button-name | Ensure input buttons have discernible text | Critical | cat.name-role-value, wcag2a, wcag412, section508, section508.22.a, TTv5, TT5.c, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-11.9.1 | failure, needs review | 97a4e1 |
| input-image-alt | Ensure <input type="image"> elements have alternative text | Critical | cat.text-alternatives, wcag2a, wcag111, wcag412, section508, section508.22.a, TTv5, TT7.a, EN-301-549, EN-9.1.1.1, EN-9.4.1.2, ACT, RGAAv4, RGAA-1.1.3 | failure, needs review | 59796f |
| label | Ensure every form element has a label | Critical | cat.forms, wcag2a, wcag412, section508, section508.22.n, TTv5, TT5.c, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-11.1.1 | failure, needs review | e086e5 |
| link-in-text-block | Ensure links are distinguished from surrounding text in a way that does not rely on color | Serious | cat.color, wcag2a, wcag141, TTv5, TT13.a, EN-301-549, EN-9.1.4.1, RGAAv4, RGAA-10.6.1 | failure, needs review | |
| link-name | Ensure links have discernible text | Serious | cat.name-role-value, wcag2a, wcag244, wcag412, section508, section508.22.a, TTv5, TT6.a, EN-301-549, EN-9.2.4.4, EN-9.4.1.2, ACT, RGAAv4, RGAA-6.2.1 | failure, needs review | c487ae |
| list | Ensure that lists are structured correctly | Serious | cat.structure, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-9.3.1 | failure | |
| listitem | Ensure <li> elements are used semantically | Serious | cat.structure, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-9.3.1 | failure | |
| marquee | Ensure <marquee> elements are not used | Serious | cat.parsing, wcag2a, wcag222, TTv5, TT2.b, EN-301-549, EN-9.2.2.2, RGAAv4, RGAA-13.8.1 | failure | |
| meta-refresh | Ensure <meta http-equiv="refresh"> is not used for delayed refresh | Critical | cat.time-and-media, wcag2a, wcag221, TTv5, TT8.a, EN-301-549, EN-9.2.2.1, RGAAv4, RGAA-13.1.2 | failure | bc659a, bisz58 |
| meta-viewport | Ensure <meta name="viewport"> does not disable text scaling and zooming | Moderate | cat.sensory-and-visual-cues, wcag2aa, wcag144, EN-301-549, EN-9.1.4.4, ACT, RGAAv4, RGAA-10.4.2 | failure | b4f0c3 |
| 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 | Serious | cat.keyboard, wcag2a, wcag412, TTv5, TT6.a, EN-301-549, EN-9.4.1.2, RGAAv4, RGAA-7.1.1 | failure, needs review | 307n5z |
| 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 | Moderate | cat.time-and-media, wcag2a, wcag142, TTv5, TT2.a, EN-301-549, EN-9.1.4.2, ACT, RGAAv4, RGAA-4.10.1 | needs review | 80f0bf |
| object-alt | Ensure <object> elements have alternative text | Serious | cat.text-alternatives, wcag2a, wcag111, section508, section508.22.a, EN-301-549, EN-9.1.1.1, RGAAv4, RGAA-1.1.6 | failure, needs review | 8fc3b6 |
| p-as-heading | Ensure bold, italic text and font-size is not used to style <p> elements as a heading | Serious | cat.semantics, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, a11y-engine, a11y-engine-experimental, RGAAv4, RGAA-9.1.3, medium-accuracy | failure, needs review | |
| role-img-alt | Ensure [role="img"] elements have alternative text | Serious | cat.text-alternatives, wcag2a, wcag111, section508, section508.22.a, TTv5, TT7.a, EN-301-549, EN-9.1.1.1, ACT, RGAAv4, RGAA-1.1.1 | failure, needs review | 23a2a8 |
| scrollable-region-focusable | Ensure elements that have scrollable content are accessible by keyboard | Serious | cat.keyboard, wcag2a, wcag211, wcag213, TTv5, TT4.a, EN-301-549, EN-9.2.1.1, EN-9.2.1.3, RGAAv4, RGAA-7.3.2 | failure | 0ssw9k |
| select-name | Ensure select element has an accessible name | Critical | cat.forms, wcag2a, wcag412, section508, section508.22.n, TTv5, TT5.c, EN-301-549, EN-9.4.1.2, ACT, RGAAv4, RGAA-11.1.1 | failure, needs review | e086e5 |
| server-side-image-map | Ensure that server-side image maps are not used | Minor | cat.text-alternatives, wcag2a, wcag211, section508, section508.22.f, TTv5, TT4.a, EN-301-549, EN-9.2.1.1, RGAAv4, RGAA-1.1.4 | needs review | |
| summary-name | Ensure summary elements have discernible text | Serious | cat.name-role-value, wcag2a, wcag412, section508, section508.22.a, TTv5, TT6.a, EN-301-549, EN-9.4.1.2 | failure, needs review | |
| svg-img-alt | Ensure <svg> elements with an img, graphics-document or graphics-symbol role have accessible text | Serious | cat.text-alternatives, wcag2a, wcag111, section508, section508.22.a, TTv5, TT7.a, EN-301-549, EN-9.1.1.1, ACT, RGAAv4, RGAA-1.1.5 | failure, needs review | 7d6734 |
| table-fake-caption | Ensure that tables with a caption use the <caption> element. | Serious | cat.tables, wcag2a, wcag131, section508, section508.22.g, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-5.4.1, a11y-engine, a11y-engine-experimental, medium-accuracy | failure | |
| td-has-header | Ensure that each non-empty data cell in a <table> larger than 3 by 3 has one or more table headers | Critical | cat.tables, wcag2a, wcag131, section508, section508.22.g, TTv5, TT14.b, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-5.7.4, a11y-engine, a11y-engine-experimental, medium-accuracy | failure | |
| td-headers-attr | Ensure that each cell in a table that uses the headers attribute refers only to other <th> elements in that table | Serious | cat.tables, wcag2a, wcag131, section508, section508.22.g, TTv5, TT14.b, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-5.7.4 | failure, needs review | a25f45 |
| th-has-data-cells | Ensure that <th> elements and elements with role=columnheader/rowheader have data cells they describe | Serious | cat.tables, wcag2a, wcag131, section508, section508.22.g, TTv5, TT14.b, EN-301-549, EN-9.1.3.1, RGAAv4, RGAA-5.7.1 | failure, needs review | d0f69e |
| valid-lang | Ensure lang attributes have valid values | Serious | cat.language, wcag2aa, wcag312, TTv5, TT11.b, EN-301-549, EN-9.3.1.2, ACT, RGAAv4, RGAA-8.7.1 | failure | de46e4 |
| video-caption | Ensure <video> elements have captions | Critical | cat.text-alternatives, wcag2a, wcag122, section508, section508.22.a, TTv5, TT17.a, EN-301-549, EN-9.1.2.2, RGAAv4, RGAA-4.3.1 | needs review | eac66b |
| Rule ID | Description | Impact | Tags | Issue Type | ACT Rules |
|---|---|---|---|---|---|
| autocomplete-valid | Ensure that the necessary form fields use the autocomplete attribute with a valid input. | Moderate | cat.forms, wcag21aa, wcag135, EN-301-549, EN-9.1.3.5, ACT, a11y-engine, RGAAv4, RGAA-11.13.1 | failure, needs review | 73f2c2 |
| avoid-inline-spacing | Ensure that text spacing set through style attributes can be adjusted with custom stylesheets | Serious | cat.structure, wcag21aa, wcag1412, EN-301-549, EN-9.1.4.12, ACT | failure | 24afc2, 9e45ec, 78fd32 |
| css-orientation-lock | Ensure content is not locked to any specific display orientation, and the content is operable in all display orientations | Serious | cat.structure, wcag134, wcag21aa, EN-301-549, EN-9.1.3.4, a11y-engine, a11y-engine-experimental, RGAAv4, RGAA-13.9.1, medium-accuracy | failure, needs review | b33eff |
| label-content-name-mismatch | Ensure that elements labelled through their content must have their visible text as part of their accessible name | Serious | cat.semantics, wcag21a, wcag253, EN-301-549, EN-9.2.5.3, a11y-engine, a11y-engine-experimental, RGAAv4, RGAA-6.1.5, medium-accuracy | failure, needs review | 2ee8b8 |
These rules are disabled by default, until WCAG 2.2 is more widely adopted and required.
| Rule ID | Description | Impact | Tags | Issue Type | ACT Rules |
|---|---|---|---|---|---|
| target-size | Ensure touch targets have sufficient size and space | Serious | cat.sensory-and-visual-cues, wcag22aa, wcag258 | failure, needs review |
Rules that do not necessarily conform to WCAG success criterion but are industry accepted practices that improve the user experience.
| Rule ID | Description | Impact | Tags | Issue Type | ACT Rules |
|---|---|---|---|---|---|
| accesskeys | Ensure every accesskey attribute value is unique | Serious | cat.keyboard, best-practice | failure | |
| aria-allowed-role | Ensure role attribute has an appropriate value for the element | Minor | cat.aria, best-practice | failure, needs review | |
| aria-dialog-name | Ensure every ARIA dialog and alertdialog node has an accessible name | Serious | cat.aria, best-practice | failure, needs review | |
| aria-text | Ensure role="text" is used on elements with no focusable descendants | Serious | cat.aria, best-practice | failure, needs review | |
| aria-treeitem-name | Ensure every ARIA treeitem node has an accessible name | Serious | cat.aria, best-practice | failure, needs review | |
| empty-heading | Ensure headings have discernible text | Minor | cat.name-role-value, best-practice | failure, needs review | ffd0e9 |
| empty-table-header | Ensure table headers have discernible text | Minor | cat.name-role-value, best-practice | failure, needs review | |
| focus-order-semantics | Ensure elements in the focus order have a role appropriate for interactive content | Minor | cat.keyboard, best-practice, RGAAv4, RGAA-12.8.1, a11y-engine, a11y-engine-experimental, medium-accuracy | failure | |
| frame-tested | Ensure <iframe> and <frame> elements contain the axe-core script | Critical | cat.structure, best-practice, review-item | failure, needs review | |
| heading-order-bp | Ensure the order of headings is semantically correct | Moderate | cat.structure, best-practice, a11y-engine | failure, needs review | |
| hidden-content | Inform users about hidden content. | Minor | cat.structure, best-practice, review-item, a11y-engine, a11y-engine-experimental, medium-accuracy | failure, needs review | |
| image-redundant-alt | Ensure image alternative is not repeated as text | Minor | cat.text-alternatives, best-practice | failure | |
| label-title-only | Ensure that every form element has a visible label and is not solely labeled using hidden labels, or the title or aria-describedby attributes | Serious | cat.forms, best-practice | failure | |
| landmark-banner-is-top-level | Ensure the banner landmark is at top level | Moderate | cat.semantics, best-practice | failure | |
| landmark-complementary-is-top-level | Ensure the complementary landmark or aside is at top level | Moderate | cat.semantics, best-practice | failure | |
| landmark-contentinfo-is-top-level | Ensure the contentinfo landmark is at top level | Moderate | cat.semantics, best-practice | failure | |
| landmark-main-is-top-level | Ensure the main landmark is at top level | Moderate | cat.semantics, best-practice | failure | |
| landmark-no-duplicate-banner | Ensure the document has at most one banner landmark | Moderate | cat.semantics, best-practice | failure | |
| landmark-no-duplicate-contentinfo | Ensure the document has at most one contentinfo landmark | Moderate | cat.semantics, best-practice | failure | |
| landmark-no-duplicate-main | Ensure the document has at most one main landmark | Moderate | cat.semantics, best-practice | failure | |
| landmark-one-main | Ensure the document has a main landmark | Moderate | cat.semantics, best-practice | failure | |
| landmark-unique | Ensure landmarks are unique | Moderate | cat.semantics, best-practice | failure | |
| meta-viewport-large | Ensure <meta name="viewport"> can scale a significant amount | Minor | cat.sensory-and-visual-cues, best-practice | failure | |
| page-has-heading-one | Ensure that the page, or at least one of its frames contains a level-one heading | Moderate | cat.semantics, best-practice | failure | |
| presentation-role-conflict | Ensure elements marked as presentational do not have global ARIA or tabindex so that all screen readers ignore them | Minor | cat.aria, best-practice, ACT | failure | 46ca7f |
| region | Ensure all page content is contained by landmarks | Moderate | cat.keyboard, best-practice, RGAAv4, RGAA-9.2.1 | failure | |
| scope-attr-valid | Ensure the scope attribute is used correctly on tables | Moderate | cat.tables, best-practice | failure | |
| skip-link | Ensure all skip links have a focusable target | Moderate | cat.keyboard, best-practice, RGAAv4, RGAA-12.7.1 | failure, needs review | |
| tabindex | Ensure tabindex attribute values are not greater than 0 | Serious | cat.keyboard, best-practice | failure | |
| table-duplicate-name | Ensure the <caption> element does not contain the same text as the summary attribute | Minor | cat.tables, best-practice, RGAAv4, RGAA-5.2.1 | failure, needs review |
Rules that check for conformance to WCAG AAA success criteria that can be fully automated. These are disabled by default in axe-core.
| Rule ID | Description | Impact | Tags | Issue Type | ACT Rules |
|---|---|---|---|---|---|
| color-contrast-enhanced | Ensure the contrast between foreground and background colors meets WCAG 2 AAA enhanced contrast ratio thresholds | Serious | cat.color, wcag2aaa, wcag146, ACT | failure, needs review | 09o5cg |
| heading-order | Ensure the order of headings is semantically correct | Moderate | cat.structure, wcag2aaa, wcag2410, a11y-engine | failure, needs review | |
| identical-links-same-purpose | Ensure that links with the same accessible name serve a similar purpose | Minor | cat.semantics, wcag2aaa, wcag249 | needs review | b20e66 |
| meta-refresh-no-exceptions | Ensure <meta http-equiv="refresh"> is not used for delayed refresh | Minor | cat.time-and-media, wcag2aaa, wcag224, wcag325 | failure | bisz58 |
Rules we are still testing and developing. They are disabled by default in axe-core, but are enabled for the axe browser extensions.
There are no matching rules
Deprecated rules are disabled by default and will be removed in the next major release.
| Rule ID | Description | Impact | Tags | Issue Type | ACT Rules |
|---|---|---|---|---|---|
| aria-roledescription | Ensure aria-roledescription is only used on elements with an implicit or explicit role | Serious | cat.aria, wcag2a, wcag412, EN-301-549, EN-9.4.1.2, deprecated | failure, needs review | |
| audio-caption | Ensure <audio> elements have captions | Critical | cat.time-and-media, wcag2a, wcag121, EN-301-549, EN-9.1.2.1, section508, section508.22.a, deprecated | needs review | 2eb176, afb423 |
| duplicate-id-active | Ensure every id attribute value of active elements is unique | Serious | cat.parsing, wcag2a-obsolete, wcag411, deprecated | failure | 3ea0c8 |
| duplicate-id | Ensure every id attribute value is unique | Minor | cat.parsing, wcag2a-obsolete, wcag411, deprecated | failure | 3ea0c8 |