Kilotest: Violations of element closure invalid issue for Clean Air Task Force (CATF) page

Basics

About the page

• URL: https://www.catf.us/
• Tested 3 days ago on 2026-10-07 at 19:52 by job 261007T1941-eso
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 697
  • Violators: 328
  • Issues: 52
• Download the full technical report (JSON)

About the issue

• Why it matters: Page contains invalid code
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker)
• Violations: 2
• Violators: 2

Violators

Here are the HTML elements reported to violate rules belonging to the element closure invalid issue.

• Element 0

  • Tag name: HTML
  • Text: [not applicable]
  • Start tag: <html class="js" lang="en">
  • XPath: /html
  • Bounding box: x = 0, y = 0, width = 1920, height = 7933
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 100

  • Tag name: BODY
  • Text: [not applicable]
  • Start tag: <body class="home wp-singular page-template-default page page-id-22727 wp-custom-logo wp-embed-responsive wp-theme-catf-2021 wp-schema-pro-2.12.0">
  • XPath: /html/body
  • Bounding box: x = 0, y = 0, width = 1920, height = 7933
  • Reported by Html Checker
  • What diagnoses were reported?