Kilotest: Diagnoses of ID not unique violation by HTML element 1560 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 1560

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M11,14 C10.449,14 10,14.449 10,15 L10,26 C10,26.551 10.449,27 11,27 L29,27 C29.551,27 30,26.551 30,26 L30,15 C30,14.449 29.551,14 29,14 L11,14 Z M29,28 L11,28 C9.897,28 9,27.103 9,26 L9,15 C9,13.897 9.897,13 11,13 L29,13 C30.103,13 31,13.897 31,15 L31,26 C31,27.103 30.103,28 29,28 L29,28 Z" id="Fill-620" fill="#007AA3">
• XPath: /html/body/svg[1]/defs[1]/symbol[65]/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 1560 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-620" 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