A11y: dolby.com (92%)

Elements must only use supported ARIA attributes

Ensures an element's role supports its ARIA attributes

ARIA role should be appropriate for the element

Ensures role attribute has an appropriate value for the element

ARIA attributes must be used as specified for the element's role

Ensures ARIA attributes are used as described in the specification of the element's role

Deprecated ARIA roles must not be used

Ensures elements do not use deprecated roles

ARIA dialog and alertdialog nodes should have an accessible name

Ensures every ARIA dialog and alertdialog node has an accessible name

aria-hidden="true" must not be present on the document body

Ensures aria-hidden="true" is not present on the document body.

ARIA hidden element must not be focusable or contain focusable elements

Ensures aria-hidden elements are not focusable nor contain focusable elements

Elements must only use permitted ARIA attributes

Ensures ARIA attributes are not prohibited for an element's role

Required ARIA attributes must be provided

Ensures elements with ARIA roles have all required ARIA attributes

ARIA roles used must conform to valid values

Ensures all elements with a role attribute use a valid value

ARIA attributes must conform to valid values

Ensures all ARIA attributes have valid values

ARIA attributes must conform to valid names

Ensures attributes that begin with aria- are valid ARIA attributes

Buttons must have discernible text

Ensures buttons have discernible text

Page must have means to bypass repeated blocks

Ensures each page has at least one mechanism for a user to bypass navigation and jump straight to the content

Elements must meet minimum color contrast ratio thresholds

Ensures the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds

Documents must have <title> element to aid in navigation

Ensures each HTML document contains a non-empty <title> element

IDs used in ARIA and labels must be unique

Ensures every id attribute value used in ARIA and in labels is unique

Headings should not be empty

Ensures headings have discernible text

Heading levels should only increase by one

Ensures the order of headings is semantically correct

<html> element must have a lang attribute

Ensures every HTML document has a lang attribute

<html> element must have a valid value for the lang attribute

Ensures the lang attribute of the <html> element has a valid value

Main landmark should not be contained in another landmark

Ensures the main landmark is at top level

Document should not have more than one main landmark

Ensures the document has at most one main landmark

Document should have one main landmark

Ensures the document has a main landmark

Ensures landmarks are unique

Landmarks should have a unique role or role/label/title (i.e. accessible name) combination

Links must have discernible text

Ensures links have discernible text

Users should be able to zoom and scale the text up to 500%

Ensures <meta name="viewport"> can scale a significant amount

Zooming and scaling must not be disabled

Ensures <meta name="viewport"> does not disable text scaling and zooming

Interactive controls must not be nested

Ensures interactive controls are not nested as they are not always announced by screen readers or can cause focus problems for assistive technologies

Page should contain a level-one heading

Ensure that the page, or at least one of its frames contains a level-one heading

All page content should be contained by landmarks

Ensures all page content is contained by landmarks

Scrollable region must have keyboard access

Ensure elements that have scrollable content are accessible by keyboard

Elements should not have tabindex greater than zero

Ensures tabindex attribute values are not greater than 0