Kilotest: Diagnoses of ID not unique violation by HTML element 184 on Fair Vote page

Basics

About the page

• URL: https://fairvote.org/
• Tested 3 days ago on 2026-10-07 at 21:15 by job 261007T2112-ljo
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 714
  • Violators: 357
  • Issues: 53
• 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 3 rule engines (ASLint + Html Checker API + HTML CodeSniffer)
• Violations: 32
• Violators: 15

About the violator

• Tag name: svg
• Text: [not applicable]
• Start tag: <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" height="20px" width="20px" class="icon-plus" viewBox="0 0 455 455" xml:space="preserve" data-v-6af95c07="">
• XPath: /html/body/div[1]/header[1]/div[1]/div[2]/nav[1]/ul[1]/li[4]/button[1]/svg[1]
• Bounding box: [not obtained]
• Reported by Html Checker API + HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 184 of the Fair Vote 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)