Kilotest: Diagnoses of box size absolute violation by HTML element 303 on Mozilla Foundation page

Basics

About the Mozilla Foundation page

• URL: https://www.mozilla.org/en-US/
• Tested 30 days ago by job 9wj on 2026-05-03 at 04:32

About HTML element 303

• Tag name: rect
• Text: [not applicable]
• Start tag: <rect class="cls-2" x="84.39" y="57.51" width="41.88" height="41.88">
• XPath: /html/body/div[2]/main[1]/div[1]/section[1]/div[2]/svg[2]/svg[6]/rect[1]
• Bounding box: x = 1375, y = 292, width = 29, height = 29

About the box size absolute issue

• Why it matters: User cannot enlarge the content of an item for readability
• Priority: high
• Related WCAG standard: 1.4.4

Diagnoses

Here is how tools diagnose the box size absolute issue for HTML element 303 of the Mozilla Foundation page.

1. [failed] The test target `width` attribute uses absolute units.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP15