Kilotest: Rules belonging to ID not unique issue

About the ID not unique issue

• Why it matters: User may be pointed to the wrong item
• Priority: highest
• Related WCAG standard: 4.1.1

Rules

• Alfa rules

  • r3: Element id attribute value is not unique

• ASLint rules

  • duplicated_id_attribute: Element id attribute value is not unique

• Axe rules

  • duplicate-id: id attribute value is not unique
  • duplicate-id-active: id attribute value of the active element is not unique
  • duplicate-id-aria: id attribute used in ARIA or in a label has a value that is not unique

• HTML CodeSniffer rules

  • E-AAA.4_1_1.F77: Duplicate id attribute value
  • E-WCAG2AAA.Principle4.Guideline4_1.4_1_1.F77: Duplicate id attribute value

• Accessibility Checker rules

  • element_id_unique: Element has an id attribute value that is already in use

• Html Checker API rules

  • ^Duplicate ID .+$|^The first occurrence of ID .* was here.*$: Duplicate id

• Html Checker rules

  • ^Duplicate ID .+$|^The first occurrence of ID .* was here.*$: Duplicate id

• QualWeb rules

  • QW-ACT-R18: id attribute value is not unique

• WallyAX rules

  • ^Duplicate id attribute value .+ found on the web page.+$: id attribute value is not unique