Kilotest: Diagnoses of attribute invalid violation by HTML element 58 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: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1
• Reported by 1 rule engine (Html Checker API)
• Violations: 1
• Violators: 1

About the violator

• Tag name: A
• Text: [not applicable]
• Start tag: <a role="presentation" rel="noopener noreferrer" title="Clean Air Task Force home">
• XPath: /html/body/div[1]/div[1]/header[1]/a[1]
• Bounding box: x = 20, y = 9, width = 133, height = 48
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the attribute invalid issue for HTML element 58 of the Clean Air Task Force (CATF) donate page.

1. Attribute rel not allowed on element a at this point.

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