Kilotest: Diagnoses of text contrast not testable violation by HTML element 383 on Mozilla Foundation page

Basics

About the page

• URL: https://www.mozilla.org/en-US/
• Tested 32 days ago on 2026-09-08 at 04:02 by job 260908T0359-xmh
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 753
  • Violators: 192
  • Issues: 47
• Download the full technical report (JSON)

About the issue

• Why it matters: Text may be difficult to read
• Priority: lowest
• Related WCAG standard: 1.4.3
• Reported by 1 rule engine (QualWeb)
• Violations: 4
• Violators: 4

About the violator

• Tag name: A
• Text: Donate
• Start tag: <a href="https://www.mozillafoundation.org/en/?form=Mozilla-Website-Homepage&amp;utm_source=www.mozilla.org&amp;utm_medium=referral&amp;utm_campaign=home" class="m24-c-cta" data-cta-text="donate">
• XPath: /html/body/div[2]/main[1]/div[4]/div[1]/p[1]/a[1]
• Bounding box: x = 1541, y = 2251, width = 107, height = 38
• Reported by QualWeb

Diagnoses

Here is how rule engines diagnose the text contrast not testable issue for HTML element 383 of the Mozilla Foundation page.

1. [failed] Element has gradient with contrast ratio lower than minimum.

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-ACT-R37