Kilotest: Diagnoses of ID not unique violation by HTML element 158 on International Consortium of Investigative Journalists newsletter subscribe page

Basics

About the page

• URL: https://www.icij.org/newsletter/
• Tested 3 days ago on 2026-10-07 at 21:54 by job 261007T2132-muf
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 11
    • Reported any rule violations: 11
  • Violations: 1641
  • Violators: 406
  • 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 + HTML CodeSniffer)
• Violations: 24
• Violators: 17

About the violator

• Tag name: BUTTON
• Text: [not applicable]
• Start tag: <button id="navBarCollapse" class="navbar-toggler">
• XPath: /html/body/header[1]/div[1]/div[1]/div[1]/span[1]/button[2]
• Bounding box: x = 62, y = 66, width = 56, height = 40
• Reported by Html Checker + HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 158 of the International Consortium of Investigative Journalists newsletter subscribe page.

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

   Rule engine: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID navBarCollapse.

   Rule engine: Html Checker (World Wide Web Consortium)