Kilotest: Diagnoses of ID not unique violation by HTML element 4075 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 4075

• Tag name: G
• Text: [not applicable]
• Start tag: [not obtained]
• XPath: /html/body/*[name()='svg']/defs[1]/symbol[17]/g[1]/g[1]/g[1]/g[1]
• Bounding box: [not obtained]

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 4075 of the Northwest Natural Gas page.

1. Attribute <code>id="mask-2"</code> should be unique. It has been defined 4 times.

   Tool: ASLint (eSSENTIAL Accessibility)

   Rule: duplicated_id_attribute