Kilotest: Diagnoses of ID not unique violation by HTML element 361 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: UL
• Text: [not applicable]
• Start tag: <ul id="menu-1-1dc86c95" class="elementor-nav-menu" data-smartmenus-id="179141443293725">
• XPath: /html/body/div[1]/header[1]/header[2]/div[1]/div[2]/div[1]/div[1]/div[1]/nav[1]/ul[1]
• Bounding box: [not obtained]
• Reported by Html Checker + HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 361 of the Virtual Science Teachers page.

1. Duplicate id attribute value "menu-1-1dc86c95" found on the web page.

   Rule engine: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle4.Guideline4_1.4_1_1.F77

2. Duplicate ID menu-1-1dc86c95.

   Rule engine: Html Checker (World Wide Web Consortium)