Kilotest: Diagnoses of role redundant violation by HTML element 270 on Oregon Museum of Science and Industry page

Basics

About the Oregon Museum of Science and Industry page

• URL: https://omsi.edu/
• Tested 20 days ago by job 42w on 2026-05-12 at 23:14

About HTML element 270

• Tag name: NAV
• Text: The Museum … Search
• Start tag: <nav id="nav-main" class="flex-grow flex flex-row items-end justify-end nav-main" role="navigation">
• XPath: /html/body/header[1]/div[2]/nav[1]
• Bounding box: x = 364, y = 100, width = 1492, height = 113

Take me there

About the role redundant issue

• Why it matters: Document includes unnecessary code
• Priority: lowest
• Related WCAG standard: 4.1.2

Diagnoses

Here is how tools diagnose the role redundant issue for HTML element 270 of the Oregon Museum of Science and Industry page.

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

   Tool: Accessibility Checker (IBM)

   Rule: aria_role_redundant

2. The navigation role is unnecessary for element nav.

   Tool: Html Checker API (World Wide Web Consortium)