Kilotest: Diagnoses of ID not unique violation by HTML element 3271 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 3271

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M10,15.5 C10,16.328 10.672,17 11.5,17 C12.328,17 13,16.328 13,15.5 C13,14.671 12.328,14 11.5,14 C10.672,14 10,13.328 10,12.5 C10,11.671 10.672,11 11.5,11 C12.328,11 13,11.671 13,12.5" id="Stroke-1408">
• XPath: /html/body/svg[1]/defs[1]/symbol[225]/g[1]/g[1]/g[1]/g[1]/g[1]/g[1]/path[7]
• 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 3271 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Stroke-1408" 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