Niebezpiecznik

image-alt

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

input-button-name

Ensure input buttons have discernible text

label

Ensure every form element has a label

color-contrast

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

html-has-lang

Ensure every HTML document has a lang attribute

link-in-text-block

Ensure links are distinguished from surrounding text in a way that does not rely on color

link-name

Ensure links have discernible text

heading-order

Ensure the order of headings is semantically correct

landmark-one-main

Ensure the document has a main landmark

region

Ensure all page content is contained by landmarks