Kilotest: Diagnoses of code invalid violation by HTML element 435 on Opportunity Green page

Basics

About the page

• URL: https://www.opportunitygreen.org/
• Tested 2 days ago on 2026-10-07 at 22:06 by job 261007T2138-sqp
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 10
    • Reported any rule violations: 10
  • Violations: 767
  • Violators: 303
  • Issues: 72
• Download the full technical report (JSON)

About the issue

• Why it matters: Invalid code in the page may prevent a helper from working
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker)
• Violations: 4
• Violators: 4

About the violator

• Tag name: STYLE
• Text: [not applicable]
• Start tag: <style>
• XPath: /html/body/div[3]/main[1]/style[4]
• Bounding box: [not obtained]
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the code invalid issue for HTML element 435 of the Opportunity Green page.

1. A style element in body must be the first child of its parent.

   Rule engine: Html Checker (World Wide Web Consortium)