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

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

Basics

• 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
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• 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

Diagnoses

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

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP15