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Elements must only use supported ARIA attributes

Ensure an element's role supports its ARIA attributes

Certain ARIA roles must contain particular children

Ensure elements with an ARIA role that require child roles contain them

ARIA attributes must conform to valid values

Ensure all ARIA attributes have valid values

Buttons must have discernible text

Ensure buttons have discernible text

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

ARIA hidden element must not be focusable or contain focusable elements

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

ARIA hidden element must not be focusable or contain focusable elements

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

ARIA input fields must have an accessible name

Ensure every ARIA input field has an accessible name

Frames must have an accessible name

Ensure <iframe> and <frame> elements have an accessible name

Frames must have an accessible name

Ensure <iframe> and <frame> elements have an accessible name

Interactive controls must not be nested

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

Heading levels should only increase by one

Ensure the order of headings is semantically correct

Heading levels should only increase by one

Ensure the order of headings is semantically correct

Heading levels should only increase by one

Ensure the order of headings is semantically correct

Heading levels should only increase by one

Ensure the order of headings is semantically correct

Heading levels should only increase by one

Ensure the order of headings is semantically correct

Heading levels should only increase by one

Ensure the order of headings is semantically correct

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

Ensure landmarks are unique

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

ARIA role should be appropriate for the element

Ensure role attribute has an appropriate value for the element

ARIA role should be appropriate for the element

Ensure role attribute has an appropriate value for the element

Elements marked as presentational should be consistently ignored

Ensure elements marked as presentational do not have global ARIA or tabindex so that all screen readers ignore them