Kilotest: Diagnoses of font size absolute violation by HTML element 264 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: User cannot adjust the text size for readability
• Priority: low
• Related WCAG standard: 1.4.4
• Reported by 1 rule engine (Alfa)
• Violations: 2
• Violators: 2

About the violator

• Tag name: DIV
• Text: Welcome to Mozilla … Learn about us
• Start tag: <div class="m24-c-flag-text">
• XPath: /html/body/div[2]/main[1]/div[1]/section[1]/div[1]
• Bounding box: x = 272, y = 169, width = 912, height = 431
• Reported by Alfa

Take me there

Diagnoses

Here is how rule engines diagnose the font size absolute issue for HTML element 264 of the Mozilla Foundation page.

1. The font size is specified using an absolute unit

   Rule engine: Alfa (Siteimprove)

   Rule: r74