Kilotest: Diagnoses of ID not unique violation by HTML element 406 on Charity Navigator search page

Basics

About the page

• URL: https://www.charitynavigator.org/search
• Tested 3 days ago on 2026-10-07 at 19:48 by job 261007T1941-dku
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1528
  • Violators: 476
  • Issues: 67
• 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: 62
• Violators: 44

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/div[2]/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 406 of the Charity Navigator search page.

1. Duplicate ID off-canvas-7fc4f173.

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