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Form elements must have labels

Ensure every form element has a label

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

Main landmark should not be contained in another landmark

Ensure the main landmark is at top level

Document should not have more than one main landmark

Ensure the document has at most one main landmark

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