Kilotest: Diagnoses of ID not unique violation by HTML element 194 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 194

• Tag name: DIV
• Text: Oregon Museum of Science and Industry … Search
• Start tag: <div id="site-navigation" class="main-navigation px-base lg:pb-0 pb-lg flex flex-row items-center lg:items-end bg-white md:px-2xl">
• XPath: /html/body/header[1]/div[2]
• Bounding box: x = 0, y = 56, width = 1920, height = 157

Take me there

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

Diagnoses

Here is how tools diagnose the ID not unique issue for HTML element 194 of the Oregon Museum of Science and Industry page.

1. The element does not have a unique ID

   Tool: Alfa (Siteimprove)

   Rule: r3

2. Attribute <code>id="nav-main"</code> should be unique. It has been defined 2 times.

   Tool: ASLint (eSSENTIAL Accessibility)

   Rule: duplicated_id_attribute