Kilotest: Diagnoses of text contrast not testable violation by HTML element 388 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 388

• Tag name: A
• Text: Donate
• Start tag: <a href="https://www.mozillafoundation.org/?form=Mozilla-Website-Homepage" 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

About the text contrast not testable issue

• Why it matters: Text may be difficult to read
• Priority: lowest
• Related WCAG standard: 1.4.3

Diagnoses

Here is how tools diagnose the text contrast not testable issue for HTML element 388 of the Mozilla Foundation page.

1. This element's text is placed on a background image. Ensure the contrast ratio between the text and all covered parts of the image are at least 4.5:1.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: W-WCAG2AAA.Principle1.Guideline1_4.1_4_6.G18.BgImage

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

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R37