Kilotest: Diagnoses of ID not unique violation by HTML element 2543 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 2543

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M26,7.5 L20,7.5 C19.5857864,7.5 19.2107864,7.66789322 18.9393398,7.93933983 C18.6678932,8.21078644 18.5,8.58578644 18.5,9 L18.5,9.5 L27.5,9.5 L27.5,9 C27.5,8.58578644 27.3321068,8.21078644 27.0606602,7.93933983 C26.7892136,7.66789322 26.4142136,7.5 26,7.5 Z" id="Rectangle-13-Copy" fill="#FFFFFF">
• XPath: /html/body/svg[1]/defs[1]/symbol[156]/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 2543 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Rectangle-13-Copy" 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