Kilotest: Diagnoses of tab-opening link action unstated? violation by HTML element 394 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: Following a link opens a new window, possibly surprising a user
• Priority: lowest
• Related WCAG standard: 3.2.5
• Reported by 3 rule engines (ASLint + Pour + Testaro)
• Violations: 18
• Violators: 12

About the violator

• Tag name: H3
• Text: Mozilla Data Collective
• Start tag: <h3 class="m24-c-gallery-tile-heading">
• XPath: /html/body/div[2]/main[1]/section[1]/div[1]/div[1]/div[1]/h3[1]
• Bounding box: x = 272, y = 3190, width = 448, height = 35
• Reported by ASLint

Take me there

Diagnoses

Here is how rule engines diagnose the tab-opening link action unstated? issue for HTML element 394 of the Mozilla Foundation page.

1. This link should have a warning before automatically opening a new window or tab.

   Rule engine: ASLint (eSSENTIAL Accessibility)

   Rule: links_new_window_mark