Kilotest: Diagnoses of ID not unique violation by HTML element 358 on Charity Navigator page

Basics

About the page

• URL: https://www.charitynavigator.org/
• Tested 3 days ago on 2026-10-07 at 19:56 by job 261007T1941-rxh
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 720
  • Violators: 293
  • Issues: 47
• Download the full technical report (JSON)

About the issue

• Why it matters: User may be pointed to the wrong item
• Priority: highest
• Related WCAG standard: 4.1
• Reported by 4 rule engines (ASLint + Html Checker API + HTML CodeSniffer + QualWeb)
• Violations: 156
• Violators: 105

About the violator

• Tag name: DIV
• Text: [not applicable]
• Start tag: <div id="off-canvas-7fc4f173" class="e-off-canvas" role="dialog" aria-hidden="true" aria-label="Mobile Popup" aria-modal="true" inert="" data-delay-child-handlers="true">
• XPath: /html/body/header[1]/div[2]/div[3]/div[1]
• Bounding box: [not obtained]
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 358 of the Charity Navigator page.

1. Duplicate ID off-canvas-7fc4f173.

   Rule engine: Html Checker API (World Wide Web Consortium)