Accessibility Standards Explorer

Explore the details of common accessibility standards, including WCAG 2.0, 2.1, 2.2 A, AA, and AAA.

Built with Quant Edge Functions.

Selected Standards: CAT.PARSING
duplicate-id-active

Description: Ensure every id attribute value of active elements is unique

Help: IDs of active elements must be unique

Help URL: https://dequeuniversity.com/rules/axe/4.10/duplicate-id-active?application=axeAPI

Tags: cat.parsingwcag2a-obsoletewcag411deprecated

duplicate-id-aria

Description: Ensure every id attribute value used in ARIA and in labels is unique

Help: IDs used in ARIA and labels must be unique

Help URL: https://dequeuniversity.com/rules/axe/4.10/duplicate-id-aria?application=axeAPI

Tags: cat.parsingwcag2awcag412EN-301-549EN-9.4.1.2

duplicate-id

Description: Ensure every id attribute value is unique

Help: id attribute value must be unique

Help URL: https://dequeuniversity.com/rules/axe/4.10/duplicate-id?application=axeAPI

Tags: cat.parsingwcag2a-obsoletewcag411deprecated

marquee

Description: Ensure <marquee> elements are not used

Help: <marquee> elements are deprecated and must not be used

Help URL: https://dequeuniversity.com/rules/axe/4.10/marquee?application=axeAPI

Tags: cat.parsingwcag2awcag222TTv5TT2.bEN-301-549EN-9.2.2.2

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