Kilotest: Diagnoses of attribute invalid violation by HTML element 200 on Institute for Progress page

Here is how tools diagnose the attribute invalid issue for HTML element 200 of the Institute for Progress page.

Basics

• About the attribute invalid issue
  • Why it matters: Item behaves improperly
  • Priority: highest
  • Related WCAG standard: 1.3.1
• About the Institute for Progress page
  • URL: https://ifp.org/
  • Tested on 2026-04-03 at 04:21
• About HTML element 200
  • Tag name: IFRAME
  • Text: [not applicable]
  • Start tag: <iframe src="https://ifp.org/wp-content/themes/institute-for-progress/assets/animations/purple/index.html" border="0">
  • XPath: /html/body/main[1]/div[1]/div[1]/div[1]/div[1]/iframe[1]
  • Bounding box: x = 0, y = 0, width = 1920, height = 1080

Diagnoses

1. Attribute border not allowed on element iframe at this point.

   Tool: Html Checker API (World Wide Web Consortium)