Kilotest: Diagnoses of z-index not zero violation by HTML element 24 on WebAIM page

Basics

About the WebAIM page

• URL: https://webaim.org/
• Tested 29 days ago by job vbr on 2026-05-03 at 17:03

About HTML element 24

• Tag name: A
• Text: skip to main content
• Start tag: <a href="#maincontent">
• XPath: /html/body/div[1]/header[1]/div[1]/a[1]
• Bounding box: x = 0, y = -40, width = 159, height = 31

Take me there

About the z-index not zero issue

• Why it matters: User cannot predict the effect of clicking
• Priority: lowest
• Related WCAG standard: 1.4

Diagnoses

Here is how tools diagnose the z-index not zero issue for HTML element 24 of the WebAIM page.

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

   Tool: Testaro (CVS Health)

   Rule: zIndex