Kilotest: Diagnoses of script element invalid violation by HTML element 285 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: Browser processes the page 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: SCRIPT
• Text: [not applicable]
• Start tag: <script id="__NEXT_DATA__" type="application/json" crossorigin="anonymous">
• XPath: /html/body/script[1]
• Bounding box: [not obtained]
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the script element invalid issue for HTML element 285 of the Clean Air Task Force (CATF) donate page.

1. A script element with a type attribute whose value is neither a JavaScript MIME type, module, importmap, nor speculationrules (i.e., a data block) must not have a crossorigin attribute.

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