Kilotest: Diagnoses of ID not unique violation by HTML element 360 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 may be pointed to the wrong item
• Priority: highest
• Related WCAG standard: 4.1
• Reported by 4 rule engines (ASLint + Html Checker + HTML CodeSniffer + QualWeb)
• Violations: 15
• Violators: 10

About the violator

• Tag name: NAV
• Text: [not applicable]
• Start tag: <nav aria-label="Menu" class="elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-horizontal e--pointer-background e--animation-sweep-right">
• XPath: /html/body/div[1]/header[1]/header[2]/div[1]/div[2]/div[1]/div[1]/div[1]/nav[1]
• Bounding box: [not obtained]
• Reported by ASLint

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 360 of the Virtual Science Teachers page.

1. Attribute <code>id="menu-1-1dc86c95"</code> should be unique. It has been defined 2 times.

   Rule engine: ASLint (eSSENTIAL Accessibility)

   Rule: duplicated_id_attribute