Kilotest: Diagnoses of ID not unique violation by HTML element 2472 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 2472

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M13.5,16 L11.5,16 C11.224,16 11,15.776 11,15.5 C11,15.224 11.224,15 11.5,15 L13.5,15 C13.776,15 14,15.224 14,15.5 C14,15.776 13.776,16 13.5,16" id="Fill-7993">
• XPath: /html/body/svg[1]/defs[1]/symbol[151]/g[1]/g[1]/g[1]/g[2]/path[6]
• 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 2472 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-7993" 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