Delayed refresh under 20 hours must not be used
Ensures <meta http-equiv="refresh"> is not used for delayed refresh
Suggested fix: Fix any of the following: <meta> tag forces timed refresh of page (less than 20 hours)
<meta http-equiv="refresh" content="360">Page should contain a level-one heading
Ensure that the page, or at least one of its frames contains a level-one heading
Suggested fix: Fix all of the following: Page must have a level-one heading
<html lang="en">ARIA role should be appropriate for the element
Ensures role attribute has an appropriate value for the element
Deprecated ARIA roles must not be used
Ensures elements do not use deprecated roles
aria-hidden="true" must not be present on the document body
Ensures aria-hidden="true" is not present on the document body.
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
Documents must have <title> element to aid in navigation
Ensures each HTML document contains a non-empty <title> element
<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
Images must have alternate text
Ensures <img> elements have alternate text or a role of none or presentation
Alternative text of images should not be repeated as text
Ensure image alternative is not repeated as text
Banner landmark should not be contained in another landmark
Ensures the banner landmark is at top level
Main landmark should not be contained in another landmark
Ensures the main landmark is at top level
Document should not have more than one banner landmark
Ensures the document has at most one banner landmark
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
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
All page content should be contained by landmarks
Ensures all page content is contained by landmarks