Kilotest: Diagnoses of ID not unique violation by HTML element 3160 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 3160

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M31.3333333,40 L18,40 C17.632,40 17.3333333,39.7013333 17.3333333,39.3333333 C17.3333333,38.9653333 17.632,38.6666667 18,38.6666667 L30.6666667,38.6666667 L30.6666667,1.33333333 L14.6666667,1.33333333 L14.6666667,15.3333333 C14.6666667,15.7013333 14.368,16 14,16 C13.632,16 13.3333333,15.7013333 13.3333333,15.3333333 L13.3333333,0.666666667 C13.3333333,0.298666667 13.632,0 14,0 L31.3333333,0 C31.7013333,0 32,0.298666667 32,0.666666667 L32,39.3333333 C32,39.7013333 31.7013333,40 31.3333333,40" id="Fill-5124">
• XPath: /html/body/svg[1]/defs[1]/symbol[216]/g[1]/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 3160 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-5124" 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