Kilotest: Diagnoses of ID not unique violation by HTML element 2876 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 2876

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M11.3333333,40 C10.9653333,40 10.6666667,39.7013333 10.6666667,39.3333333 L10.6666667,21.3333333 L1.33333333,21.3333333 L1.33333333,39.3333333 C1.33333333,39.7013333 1.03466667,40 0.666666667,40 C0.298666667,40 0,39.7013333 0,39.3333333 L0,20.6666667 C0,20.2986667 0.298666667,20 0.666666667,20 L11.3333333,20 C11.7013333,20 12,20.2986667 12,20.6666667 L12,39.3333333 C12,39.7013333 11.7013333,40 11.3333333,40" id="Fill-8097">
• XPath: /html/body/svg[1]/defs[1]/symbol[191]/g[1]/g[1]/g[1]/path[1]
• 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 2876 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-8097" 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