Kilotest: Diagnoses of large visible-element count violation by HTML element 0 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 easily find items in the page
• Priority: lowest
• Related WCAG standard: 2.4
• Reported by 1 rule engine (Testaro)
• Violations: 1
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html class="osx js fx-unsupported x64 is-modern-browser mzp-has-sticky-navigation loaded" lang="en" dir="ltr" data-country-code="US" data-needs-consent="False" data-latest-firefox="155.0.1" data-esr-versions="140.15.0 153.2.0" data-gtm-container-id="GTM-MW3R8V" data-stub-attribution-rate="1.0" data-sentry-dsn="https://c3ab8514873549d5b3785ebc7fb83c80@o1069899.ingest.sentry.io/6260331">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 7995
• Reported by Testaro

Diagnoses

Here is how rule engines diagnose the large visible-element count issue for HTML element 0 of the Mozilla Foundation page.

1. Page contains 484 visible elements

   Rule engine: Testaro (CVS Health)

   Rule: bulk