Kilotest: Diagnoses of code invalid violation by HTML element 284 on Run! page

Here is how tools diagnose the code invalid issue for HTML element 284 of the Run! page.

Basics

• About the code invalid issue
  • Why it matters: Invalid code in the document may prevent a helper from working
  • Priority: high
  • Related WCAG standard: 4.1
• About the Run! page
  • URL: https://www.designedtorun.com/
  • Tested on 2026-04-05 at 01:26
• About HTML element 284
  • Tag name: A
  • Text: WATCH DEMO VIDEO
  • Start tag: <a>
  • XPath: /html/body/div[1]/div[1]/div[1]/div[2]/div[1]/div[2]/div[1]/button[3]/a[1]
  • Bounding box: x = 1515, y = 772, width = 220, height = 22

Diagnoses

1. The element a must not appear as a descendant of the button element.

   Tool: Html Checker API (World Wide Web Consortium)