URL: /rules/a11y --- title: "Accessibility" description: "Accessibility for users with disabilities" --- Accessibility for users with disabilities ## Rules Checks that accesskey values are unique Checks that ARIA attributes are allowed on their elements Checks that command elements have accessible names Checks that dialog elements have accessible names Ensures document body is not set to aria-hidden Ensures aria-hidden elements do not contain focusable content Checks that input fields have accessible names Checks that interactive elements have accessible names Checks that meter elements have accessible names Checks that progressbar elements have accessible names Checks that elements have required ARIA attributes for their roles Checks that elements with certain roles have required child roles Checks that elements with certain roles have required parent roles Checks that elements with role='text' have no focusable descendants Checks that toggle fields (checkbox, radio, switch) have accessible names Checks that tooltip elements have accessible names Checks that treeitem elements have accessible names Checks for valid values in ARIA attributes Checks for valid ARIA attribute names Checks for valid ARIA role values Checks that all buttons have accessible names Checks for color contrast issues in styles and classes Checks that dt and dd elements are inside a dl Checks that definition lists contain only dt and dd elements Checks for deprecated or abstract ARIA roles Checks that active, focusable elements have unique IDs Checks that IDs used in ARIA attributes are unique Checks that heading elements have visible content Checks for focus indicator styles Checks that form inputs have associated labels Checks that iframes and frames have title attributes Checks that heading levels don't skip Checks that the html lang attribute has a valid language code Checks that lang and xml:lang attributes match on html element Checks that links with identical text go to the same destination Checks that input type='image' elements have alt text Checks that visible label text is part of accessible name Checks for proper landmark regions (main, nav, footer) Checks that links in text blocks are visually distinguishable Checks for descriptive link text Checks that li elements are inside ul, ol, or menu Checks that ul and ol elements contain only li elements Checks for meta refresh redirects that can disorient users Checks that form fields don't have multiple labels Checks that object elements have alternative content Checks that the page has exactly one main landmark Detects form inputs that prevent pasting Checks that image alt text is not redundant with surrounding text Checks that select elements have accessible names Checks for bypass mechanisms for keyboard navigation Checks for appropriate tabindex values Checks that td headers attribute references valid th ids Checks that data tables have unique accessible names Checks that data tables have proper headers Checks that table headers have associated data cells Checks for minimum touch target sizing hints Checks that all lang attributes on the page have valid values Checks that videos have captions or transcripts Checks if viewport meta tag disables user zoom ## Disable All Accessibility Rules ```toml squirrel.toml [rules] disable = ["a11y/*"] ```