Kilotest: Diagnoses of ID not unique violation by HTML element 426 on Opportunity Green contact page

Basics

About the page

• URL: https://www.opportunitygreen.org/contact-us/
• Tested 2 days ago on 2026-10-07 at 22:03 by job 261007T2138-zy0
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 617
  • Violators: 242
  • Issues: 57
• 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 3 rule engines (ASLint + Html Checker + HTML CodeSniffer)
• Violations: 23
• Violators: 13

About the violator

• Tag name: LI
• Text: Donate
• Start tag: <li class="mega-donate-menu-btn mega-menu-item mega-menu-item-type-post_type mega-menu-item-object-page mega-menu-item-3197 donate-menu-btn" id="mega-menu-item-3197">
• XPath: /html/body/div[2]/header[1]/div[1]/div[1]/div[3]/div[1]/ul[1]/li[2]
• Bounding box: x = 1461, y = 108, width = 94, height = 40
• Reported by Html Checker + HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the ID not unique issue for HTML element 426 of the Opportunity Green contact page.

1. Duplicate id attribute value "mega-menu-item-3197" found on the web page.

   Rule engine: HTML CodeSniffer (Squiz Labs)

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

2. Duplicate ID mega-menu-item-3197.

   Rule engine: Html Checker (World Wide Web Consortium)