Kilotest: Diagnoses of ID not unique violation by HTML element 914 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 914

• Tag name: DIV
• Text: Events Today … Get Tickets
• Start tag: <div class="transition-section" data-transition="fadeIn">
• XPath: /html/body/article[1]/div[1]/div[2]/section[4]/div[1]
• Bounding box: x = 0, y = 2247, width = 1920, height = 1499

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 914 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="events-today"</code> should be unique. It has been defined 2 times.

   Tool: ASLint (eSSENTIAL Accessibility)

   Rule: duplicated_id_attribute