Kilotest: Diagnoses of control child of link or button violation by HTML element 589 on Virtual Science Teachers page

Basics

About the page

• URL: https://virtualscienceteachers.org/
• Tested 3 days ago on 2026-10-07 at 23:08 by job 261007T2305-1s9
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1118
  • Violators: 496
  • Issues: 47
• Download the full technical report (JSON)

About the issue

• Why it matters: User cannot reliably choose an item to click or tap
• Priority: high
• Related WCAG standard: 2.5.5
• Reported by 3 rule engines (Html Checker + Pour + SureA11y)
• Violations: 38
• Violators: 35

About the violator

• Tag name: SPAN
• Text: Printables Membership
• Start tag: <span role="button" class="dropdown-menu-toggle ast-header-navigation-arrow" tabindex="0" aria-expanded="false" aria-label="Menu Toggle" aria-haspopup="true">
• XPath: [not obtained]
• Bounding box: [not obtained]
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the control child of link or button issue for HTML element 589 of the Virtual Science Teachers page.

1. An element with the attribute tabindex must not appear as a descendant of the a element.

   Rule engine: Html Checker (World Wide Web Consortium)