Kilotest: Diagnoses of element obsolete violation by HTML element 375 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 375

• Tag name: B
• Text: :
• Start tag: <b>
• XPath: /html/body/div[2]/main[1]/div[3]/section[1]/ul[1]/li[8]/a[1]/strong[1]/b[1]
• Bounding box: x = 429, y = 1643, width = 6, height = 29

About the element obsolete issue

• Why it matters: Document includes obsolete code that the browser may fail to process
• Priority: high
• Related WCAG standard: 4.1

Diagnoses

Here is how tools diagnose the element obsolete issue for HTML element 375 of the Mozilla Foundation page.

1. [failed] The webpage uses the element b to control the visual content presentation.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP10