Kilotest: Diagnoses of hovering changes content violation by HTML element 205 on Mozilla Foundation page

Basics

About the Mozilla Foundation page

• URL: https://www.mozilla.org/en-US/
• Tested 38 days ago by job tyn on 2026-04-24 at 19:48

About HTML element 205

• Tag name: A
• Text: About us
• Start tag: <a class="m24-c-menu-title" href="/en-US/about/" aria-haspopup="true" aria-controls="m24-c-menu-panel-about" data-testid="m24-navigation-link-about-us" aria-expanded="false">
• XPath: /html/body/nav[1]/div[1]/div[1]/div[1]/div[1]/div[1]/ul[1]/li[2]/a[1]
• Bounding box: x = 985, y = 16, width = 78, height = 23

Take me there

About the hovering changes content issue

• Why it matters: User cannot explore the document reliably with a mouse
• Priority: lowest
• Related WCAG standard: 3.2.5

Diagnoses

Here is how tools diagnose the hovering changes content issue for HTML element 205 of the Mozilla Foundation page.

1. Hovering over the element changes the related visible element count by 50 in 154ms

   Tool: Testaro (CVS Health)

   Rule: hover