Kilotest: Diagnoses of ID not unique violation by HTML element 429 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: svg
• Text: [not applicable]
• Start tag: <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" class="tw:fill-white tw:h-4 tw:w-4" viewBox="0 0 16.14 16.14">
• XPath: [not obtained]
• Bounding box: x = 997, y = 465, width = 16, height = 16
• Reported by Html Checker API + HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 429 of the Charity Navigator page.

1. Duplicate id attribute value "Layer_1" found on the web page.

   Rule engine: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle4.Guideline4_1.4_1_1.F77

2. Duplicate ID Layer_1.

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