Kilotest: Diagnoses of attribute obsolete violation by HTML element 100 on 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 includes obsolete code that the browser may fail to process
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (ASLint)
• Violations: 3
• Violators: 2

About the violator

• 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 ASLint

Diagnoses

Here is how rule engines diagnose the attribute obsolete issue for HTML element 100 of the Clean Air Task Force (CATF) page.

1. The following attributes <code>scrolling</code> are obsolete (though the elements are still part of the language), and must not be used by authors.

   Rule engine: ASLint (eSSENTIAL Accessibility)

   Rule: obsolete_html_attributes

2. The following attributes <code>scrolling</code> are obsolete (though the elements are still part of the language), and must not be used by authors.

   Rule engine: ASLint (eSSENTIAL Accessibility)

   Rule: obsolete_html_attributes