Kilotest: Diagnoses of ID not unique violation by HTML element 2913 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 2913

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M17.3333333,39.6666667 L22.6666667,39.6666667 L22.6666667,33 L17.3333333,33 L17.3333333,39.6666667 Z M23.3333333,41 L16.6666667,41 C16.2986667,41 16,40.7013333 16,40.3333333 L16,32.3333333 C16,31.9653333 16.2986667,31.6666667 16.6666667,31.6666667 L23.3333333,31.6666667 C23.7013333,31.6666667 24,31.9653333 24,32.3333333 L24,40.3333333 C24,40.7013333 23.7013333,41 23.3333333,41 L23.3333333,41 Z" id="Fill-5234">
• XPath: /html/body/svg[1]/defs[1]/symbol[192]/g[1]/g[1]/g[1]/path[4]
• 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 2913 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-5234" 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