Kilotest: Diagnoses of ID not unique violation by HTML element 269 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 269

• Tag name: SPAN
• Text: 9:30 am - 5:30 pm
• Start tag: <span class="body-base js-utility-hours-value" id="utility-hours-value">
• XPath: /html/body/header[1]/div[2]/div[2]/p[1]/span[1]
• Bounding box: x = 0, y = 0, width = 0, height = 0

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 269 of the Oregon Museum of Science and Industry page.

1. Duplicate id attribute value "utility-hours-value" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle4.Guideline4_1.4_1_1.F77

2. Duplicate ID utility-hours-value.

   Tool: Html Checker API (World Wide Web Consortium)