Kilotest: Diagnoses of ID not unique violation by HTML element 3023 on Northwest Natural Gas page

Basics

About the Northwest Natural Gas page

• URL: https://www.nwnatural.com/
• Tested 7 days ago by job wta on 2026-05-26 at 03:09

About HTML element 3023

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M20,22.5 C19.89,22.5 19.779,22.463 19.688,22.391 L9.687,14.391 C9.472,14.218 9.437,13.903 9.609,13.687 C9.782,13.473 10.097,13.437 10.312,13.609 L20,21.36 L29.688,13.609 C29.903,13.437 30.218,13.473 30.391,13.687 C30.563,13.903 30.528,14.218 30.313,14.391 L20.312,22.391 C20.221,22.463 20.11,22.5 20,22.5" id="Fill-621" fill="#007AA3">
• XPath: /html/body/svg[1]/defs[1]/symbol[203]/g[1]/g[1]/path[2]
• 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 3023 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-621" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

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

2. [failed]

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP30