Kilotest: Diagnoses of element obsolete violation by HTML element 155 on Mozilla Foundation join us page

Basics

About the page

• URL: https://www.mozillafoundation.org/en/join-us/
• Tested 3 days ago on 2026-10-07 at 21:54 by job 261007T2132-l0b
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 1762
  • Violators: 211
  • Issues: 46
• Download the full technical report (JSON)

About the issue

• Why it matters: Page includes obsolete code that the browser may fail to process
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (QualWeb)
• Violations: 1
• Violators: 1

About the violator

• Tag name: B
• Text: Add your voice and take a stand on how technology should impact your life. Make good the new default.
• Start tag: <b>
• XPath: /html/body/div[3]/div[1]/div[1]/div[2]/div[2]/div[1]/div[1]/div[1]/div[1]/div[1]/div[1]/p[5]/b[1]
• Bounding box: x = 360, y = 870, width = 563, height = 52
• Reported by QualWeb

Take me there

Diagnoses

Here is how rule engines diagnose the element obsolete issue for HTML element 155 of the Mozilla Foundation join us page.

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

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-BP10