Kilotest: Diagnoses of code invalid violation by HTML element 139 on Founders Pledge page

Basics

About the page

• URL: https://www.founderspledge.com/
• Tested 3 days ago on 2026-10-07 at 21:27 by job 261007T2113-g5v
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 485
  • Violators: 144
  • Issues: 54
• Download the full technical report (JSON)

About the issue

• Why it matters: Invalid code in the page may prevent a helper from working
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker API)
• Violations: 1
• Violators: 1

About the violator

• Tag name: A
• Text: Donate
• Start tag: <a class="_1l465o1n" href="/donate">
• XPath: /html/body/header[1]/nav[1]/div[2]/ul[1]/div[1]/li[1]/div[1]/button[1]/a[1]
• Bounding box: x = 1660, y = 32, width = 94, height = 25
• Reported by Html Checker API

Take me there

Diagnoses

Here is how rule engines diagnose the code invalid issue for HTML element 139 of the Founders Pledge page.

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

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