Kilotest: Diagnoses of semantic properties represented with styles violation by HTML element 391 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 get help to fully understand the text
• Priority: low
• Related WCAG standard: 1.3.1
• Reported by 1 rule engine (Testaro)
• Violations: 9
• Violators: 9

About the violator

• Tag name: B
• Text: Our mission is to make it easy for people to build with, and collaborate on, open-source, trustworthy AI.
• Start tag: <b>
• XPath: /html/body/div[2]/main[1]/section[1]/div[1]/header[1]/p[1]/b[1]
• Bounding box: x = 272, y = 2602, width = 631, height = 59
• Reported by Testaro

Take me there

Diagnoses

Here is how rule engines diagnose the semantic properties represented with styles issue for HTML element 391 of the Mozilla Foundation page.

1. Element type (B) is semantically vague

   Rule engine: Testaro (CVS Health)

   Rule: textSem