Kilotest: Diagnoses of heading level skipped violation by HTML element 476 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: Helper misdescribes the page
• Priority: low
• Related WCAG standard: 1.3.1
• Reported by 4 rule engines (Alfa + Axe + Html Checker + Pour)
• Violations: 4
• Violators: 3

About the violator

• Tag name: H3
• Text: March 2026 | Meta: Don't Remove Encryption for Instagram DMs
• Start tag: <h3 class="activation-card__title">
• XPath: [not obtained]
• Bounding box: x = 714, y = 1183, width = 594, height = 58
• Reported by Axe + Pour

Take me there

Diagnoses

Here is how rule engines diagnose the heading level skipped issue for HTML element 476 of the Mozilla Foundation join us page.

1. Heading levels should only increase by one; Heading order invalid

   Rule engine: Axe (Deque)

   Rule: heading-order

2. Headings should step down one level at a time

   Rule engine: Pour (David Yarham and Geoffrey Crofte)

   Rule: heading-order