Kilotest: Diagnoses of role redundant violation by HTML element 617 on Tradeoffs page

Basics

About the Tradeoffs page

About HTML element 617

About the role redundant issue

Diagnoses

Here is how rule engines diagnose the role redundant issue for HTML element 617 of the Tradeoffs page.

  1. The explicitly-assigned ARIA role "complementary" is redundant with the implicit role of the element <aside>

    Tool: Accessibility Checker (IBM)

    Rule: aria_role_redundant

  2. The complementary role is unnecessary for element aside.

    Tool: Html Checker API (World Wide Web Consortium)