Kilotest: Diagnoses of ID not unique violation by HTML element 2891 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 2891

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M26,33.3333333 L24.6666667,33.3333333 C24.2986667,33.3333333 24,33.0346667 24,32.6666667 C24,32.2986667 24.2986667,32 24.6666667,32 L26,32 C26.368,32 26.6666667,32.2986667 26.6666667,32.6666667 C26.6666667,33.0346667 26.368,33.3333333 26,33.3333333" id="Fill-8112">
• XPath: /html/body/svg[1]/defs[1]/symbol[191]/g[1]/g[1]/g[1]/path[16]
• 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 2891 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-8112" 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