Kilotest: Diagnoses of role invalid violation by HTML element 519 on Wikimedia Foundation page

Basics

About the page

• URL: https://wikimediafoundation.org/
• Tested 3 days ago on 2026-10-07 at 23:16 by job 261007T2305-8ye
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 1201
  • Violators: 392
  • Issues: 68
• Download the full technical report (JSON)

About the issue

• Why it matters: User cannot get help on the nature of an item
• Priority: high
• Related WCAG standard: 4.1.2
• Reported by 2 rule engines (Accessibility Checker + Axe)
• Violations: 4
• Violators: 4

About the violator

• Tag name: CANVAS
• Text: [not applicable]
• Start tag: <canvas class="mapboxgl-canvas" tabindex="0" aria-label="Map" role="region" width="840" height="576" style="width: 840px; height: 576px;">
• XPath: /html/body/div[2]/main[1]/div[6]/div[2]/div[1]/div[2]/canvas[1]
• Bounding box: x = 360, y = 3036, width = 840, height = 576
• Reported by Accessibility Checker

Diagnoses

Here is how rule engines diagnose the role invalid issue for HTML element 519 of the Wikimedia Foundation page.

1. The tabbable element's role 'region' is not a widget role

   Rule engine: Accessibility Checker (IBM)

   Rule: element_tabbable_role_valid