Kilotest: Diagnoses of ID not unique violation by HTML element 199 on Virtual Science Teachers page

Basics

About the page

• URL: https://virtualscienceteachers.org/
• Tested 2 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: A
• Text: About Us & Contact
• Start tag: <a aria-expanded="false" href="https://virtualscienceteachers.org/about-us/" class="elementor-item menu-link has-submenu" id="sm-179141443293725-15" aria-haspopup="true" aria-controls="sm-179141443293725-16">
• XPath: /html/body/div[1]/header[1]/header[1]/div[1]/div[2]/div[1]/div[1]/div[1]/nav[1]/ul[1]/li[5]/a[1]
• Bounding box: x = 1528, y = 26, width = 185, height = 28
• Reported by QualWeb

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 199 of the Virtual Science Teachers page.

1. [failed]

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-BP30

2. [failed]

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-BP30