Kilotest: Diagnoses of ID not unique violation by HTML element 642 on Off-ramp NYC page

Basics

About the page

• URL: https://www.offramp.nyc/
• Tested 8 days ago on 2026-10-02 at 17:16 by job 261002T1715-9f8
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 962
  • Violators: 296
  • Issues: 43
• 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: 134
• Violators: 69

About the violator

• Tag name: STYLE
• Text: [not applicable]
• Start tag: <style id="container-styles">
• XPath: [not obtained]
• 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 642 of the Off-ramp NYC page.

1. Duplicate id attribute value "container-styles" found on the web page.

   Rule engine: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID container-styles.

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