Kilotest: Diagnoses of ID not unique violation by HTML element 2918 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 2918

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M10.6666667,35.6666667 L13.3333333,35.6666667 L13.3333333,33 L10.6666667,33 L10.6666667,35.6666667 Z M14,37 L10,37 C9.632,37 9.33333333,36.7013333 9.33333333,36.3333333 L9.33333333,32.3333333 C9.33333333,31.9653333 9.632,31.6666667 10,31.6666667 L14,31.6666667 C14.368,31.6666667 14.6666667,31.9653333 14.6666667,32.3333333 L14.6666667,36.3333333 C14.6666667,36.7013333 14.368,37 14,37 L14,37 Z" id="Fill-5239">
• XPath: /html/body/svg[1]/defs[1]/symbol[192]/g[1]/g[1]/g[1]/path[9]
• 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 2918 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-5239" 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