Kilotest: Diagnoses of ID not unique violation by HTML element 2579 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 2579

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M2.1172,10.6666667 L19.9998667,19.916 L37.8825333,10.6666667 L19.9998667,1.41733333 L2.1172,10.6666667 Z M19.9998667,21.3333333 C19.8945333,21.3333333 19.7905333,21.308 19.6945333,21.2586667 L0.3612,11.2586667 C0.139866667,11.144 -0.000133333333,10.916 -0.000133333333,10.6666667 C-0.000133333333,10.4173333 0.139866667,10.1893333 0.3612,10.0746667 L19.6945333,0.0746666667 C19.8865333,-0.0253333333 20.1132,-0.0253333333 20.3065333,0.0746666667 L39.6398667,10.0746667 C39.8612,10.1893333 39.9998667,10.4173333 39.9998667,10.6666667 C39.9998667,10.916 39.8612,11.144 39.6398667,11.2586667 L20.3065333,21.2586667 C20.2092,21.308 20.1052,21.3333333 19.9998667,21.3333333 L19.9998667,21.3333333 Z" id="Fill-7301">
• XPath: /html/body/svg[1]/defs[1]/symbol[160]/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 2579 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-7301" 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