Kilotest: Diagnoses of code invalid violation by HTML element 260 on Clean Air Task Force (CATF) donate page

Basics

About the page

• URL: https://give.catf.us/campaign/756949/donate
• Tested 3 days ago on 2026-10-07 at 19:54 by job 261007T1941-qiu
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 10
  • Violations: 515
  • Violators: 123
  • Issues: 38
• 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 API)
• Violations: 32
• Violators: 32

About the violator

• Tag name: STYLE
• Text: [not applicable]
• Start tag: <style data-emotion="css 1neb8ay">
• XPath: /html/body/div[1]/div[1]/footer[1]/section[1]/section[1]/style[2]
• Bounding box: [not obtained]
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the code invalid issue for HTML element 260 of the Clean Air Task Force (CATF) donate page.

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

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