Kilotest: Diagnoses of ID not unique violation by HTML element 927 on Human Rights Watch page

Basics

About the page

• URL: https://www.hrw.org/
• Tested 3 days ago on 2026-10-07 at 21:44 by job 261007T2129-oiq
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 2187
  • Violators: 1149
  • Issues: 65
• 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 + HTML CodeSniffer + QualWeb)
• Violations: 54
• Violators: 33

About the violator

• Tag name: BUTTON
• Text: Close
• Start tag: <button type="button" id="mobile_header__language__modal" onclick="this.closest('dialog').close()" class="region--header hrw-button hrw-modal--close" data-component-id="hrw_components:button">
• XPath: [not obtained]
• Bounding box: [not obtained]
• Reported by Html Checker + HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 927 of the Human Rights Watch page.

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

   Rule engine: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID mobile_header__language__modal.

   Rule engine: Html Checker (World Wide Web Consortium)