Kilotest: Diagnoses of link element href missing violation by HTML element 21 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: User cannot reach a promised location
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (HTML CodeSniffer)
• Violations: 2
• Violators: 2

About the violator

• Tag name: LINK
• Text: [not applicable]
• Start tag: <link rel="preload" as="image" imagesrcset="/_next/image?url=https%3A%2F%2Fassets.classy.org%2F20789640%2F2c3e9052-2f5f-11f0-a35f-0a58a9feac02.png&amp;w=640&amp;q=75 1x, /_next/image?url=https%3A%2F%2Fassets.classy.org%2F20789640%2F2c3e9052-2f5f-11f0-a35f-0a58a9feac02.png&amp;w=1200&amp;q=75 2x" data-next-head="">
• XPath: /html/head[1]/link[6]
• Bounding box: [not obtained]
• Reported by HTML CodeSniffer

Diagnoses

Here is how rule engines diagnose the link element href missing issue for HTML element 21 of the Clean Air Task Force (CATF) donate page.

1. Link element is missing a non-empty href attribute pointing to the resource being linked.

   Rule engine: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle2.Guideline2_4.2_4_8.H59.2b