Kilotest: Diagnoses of ID not unique violation by HTML element 350 on Cultural Survival contact page

Basics

About the page

• URL: https://www.culturalsurvival.org/contact
• Tested 3 days ago on 2026-10-07 at 19:44 by job 261007T1941-0tq
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 611
  • Violators: 215
  • Issues: 59
• 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 API + HTML CodeSniffer + QualWeb)
• Violations: 28
• Violators: 16

About the violator

• Tag name: NAV
• Text: Main navigation … About Us Our Approach Our Publications Get Involved Ways to Give Latest
• Start tag: <nav role="navigation" aria-labelledby="block-mainnavigation-menu" id="block-mainnavigation">
• XPath: /html/body/div[4]/div[1]/header[1]/div[1]/nav[2]/div[2]/div[1]/div[2]/nav[1]
• Bounding box: x = 641, y = -90, width = 874, height = 0
• Reported by ASLint + Html Checker API + HTML CodeSniffer + QualWeb

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 350 of the Cultural Survival contact page.

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

   Rule engine: ASLint (eSSENTIAL Accessibility)

   Rule: duplicated_id_attribute

2. Duplicate id attribute value "block-mainnavigation" found on the web page.

   Rule engine: HTML CodeSniffer (Squiz Labs)

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

3. Duplicate ID block-mainnavigation.

   Rule engine: Html Checker API (World Wide Web Consortium)

4. [failed]

   Rule engine: QualWeb (University of Lisbon)

   Rule: QW-BP30