Kilotest: Diagnoses of z-index not zero violation by HTML element 488 on Sightsavers page

Basics

About the page

• URL: https://www.sightsavers.org/
• Tested 3 days ago on 2026-10-07 at 22:23 by job 261007T2157-uwh
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 661
  • Violators: 289
  • Issues: 61
• 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: 31
• Violators: 31

About the violator

• Tag name: DIV
• Text: Join us to mark World Sight Day! … Learn more about World Sight Day
• Start tag: <div class="c-hero-fullscreen " style="background-image: url(/wp-content/uploads/2026/02/2510_Sightsavers-ivania-visual-impairment-SHIP-project-mozambique-panel-crop-4-1-1400x788.jpg); background-position: right ">
• XPath: /html/body/main[1]/div[1]/div[1]
• Bounding box: x = 0, y = 70, width = 1920, height = 896
• Reported by Testaro

Diagnoses

Here is how rule engines diagnose the z-index not zero issue for HTML element 488 of the Sightsavers page.

1. z-index style property of the element is 2

   Rule engine: Testaro (CVS Health)

   Rule: zIndex