Kilotest: Diagnoses of ID not unique violation by HTML element 3166 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 3166

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M24.6666667,5.33333333 L14,5.33333333 C13.632,5.33333333 13.3333333,5.03466667 13.3333333,4.66666667 C13.3333333,4.29866667 13.632,4 14,4 L24.6666667,4 C25.0346667,4 25.3333333,4.29866667 25.3333333,4.66666667 C25.3333333,5.03466667 25.0346667,5.33333333 24.6666667,5.33333333" id="Fill-5130">
• XPath: /html/body/svg[1]/defs[1]/symbol[216]/g[1]/g[1]/g[1]/path[8]
• 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 3166 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-5130" 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