Kilotest: Diagnoses of attribute obsolete violation by HTML element 147 on Koenig Childhood Cancer Foundation donations page

Basics

About the Koenig Childhood Cancer Foundation donations page

• URL: https://thekccf.org/donate
• Tested 13 days ago by job vc2 on 2026-05-19 at 14:37

About HTML element 147

• Tag name: IFRAME
• Text: [not applicable]
• Start tag: <iframe class="block w-full h-full max-w-full border-0" src="https://www.zeffy.com/embed/donation-form/donate-to-make-a-difference-18649" title="Zeffy donation form" scrolling="yes" allow="payment" sandbox="allow-scripts allow-same-origin allow-forms allow-popups" style="-webkit-overflow-scrolling:touch;overflow:auto;min-height:300px;height:100%">
• XPath: /html/body/main[1]/div[1]/div[1]/div[4]/div[1]/div[1]/div[1]/div[2]/div[2]/iframe[1]
• Bounding box: x = 1264, y = 386, width = 448, height = 580

About the attribute obsolete issue

• Why it matters: Document includes obsolete code that the browser may fail to process
• Priority: high
• Related WCAG standard: 4.1

Diagnoses

Here is how tools diagnose the attribute obsolete issue for HTML element 147 of the Koenig Childhood Cancer Foundation donations page.

1. The scrolling attribute on the iframe element is obsolete. Use CSS instead.

   Tool: Html Checker API (World Wide Web Consortium)