Guarding Vision

Required ARIA attributes must be provided

Ensure elements with ARIA roles have all required ARIA attributes

ARIA attributes must conform to valid values

Ensure all ARIA attributes have valid values

Form elements must have labels

Ensure every form element has a label

Elements must meet minimum color contrast ratio thresholds

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

Elements must meet minimum color contrast ratio thresholds

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

Document should have one main landmark

Ensure the document has a main landmark

Page should contain a level-one heading

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