Kilotest: Diagnoses of ID not unique violation by HTML element 399 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: IMG
• Text: [not applicable]
• Start tag: <img class="e-image-base e-default-img e-b4d29de-d875ed9" data-e-type="widget" data-id="b4d29de" id="10910" src="https://www.charitynavigator.org/uploads/2026/08/close_x.svg" width="18" height="18" srcset="" alt="">
• XPath: /html/body/header[1]/div[2]/div[4]/div[1]/div[2]/div[1]/div[1]/div[1]/button[1]/img[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 399 of the Charity Navigator page.

1. Duplicate ID 10910.

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