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button-name

Ensure buttons have discernible text

color-contrast

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

nested-interactive

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

meta-viewport

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

page-has-heading-one

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

region

Ensure all page content is contained by landmarks