Kilotest: Diagnoses of contrast poor violation by HTML element 344 on Mozilla Foundation page

Here is how tools diagnose the contrast poor issue for HTML element 344 of the Mozilla Foundation page.

Basics

• About the contrast poor issue
  • Why it matters: Content is difficult to understand
  • Priority: highest
  • Related WCAG standard: 1.4.3
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• About HTML element 344
  • Take me there
  • Tag name: STRONG
  • Text: Thunderbird:
  • Start tag: <strong class="m24-c-launchpad-title">
  • XPath: /html/body/div[2]/main[1]/div[3]/section[1]/ul[1]/li[2]/a[1]/strong[1]
  • Bounding box: x = 275, y = 1202, width = 331, height = 24

Diagnoses

1. Elements must meet minimum color contrast ratio thresholds; Element's background color could not be determined due to a pseudo element

   Tool: Axe (Deque)

   Rule: color-contrast