Kilotest: Diagnoses of z-index not zero violation by HTML element 144 on Wikimedia Foundation page

Basics

About the page

• URL: https://wikimediafoundation.org/
• Tested 3 days ago on 2026-10-07 at 23:16 by job 261007T2305-8ye
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 1201
  • Violators: 392
  • Issues: 68
• Download the full technical report (JSON)

About the issue

• Why it matters: User cannot predict the effect of clicking
• Priority: lowest
• Related WCAG standard: 1.4
• Reported by 1 rule engine (Testaro)
• Violations: 42
• Violators: 42

About the violator

• Tag name: BUTTON
• Text: [not applicable]
• Start tag: <button aria-label="Close menu" class="menu-container__close-button" data-wp-on--click="actions.closeMenuOnClick" type="button">
• XPath: /html/body/div[2]/header[1]/div[1]/nav[1]/div[1]/div[1]/div[1]/div[1]/ul[1]/li[1]/div[1]/button[1]
• Bounding box: [not obtained]
• Reported by Testaro

Diagnoses

Here is how rule engines diagnose the z-index not zero issue for HTML element 144 of the Wikimedia Foundation page.

1. z-index style property of the element is 100

   Rule engine: Testaro (CVS Health)

   Rule: zIndex