Kilotest: Diagnoses of parent invalid violation by HTML element 312 on Tradeoffs page

Basics

About the Tradeoffs page

• URL: https://tradeoffs.org/
• Tested 30 days ago by job 5g2 on 2026-06-20 at 13:59

About HTML element 312

• Tag name: STYLE
• Text: [not applicable]
• Start tag: <style>
• XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[2]/style[1]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the parent invalid issue

• Why it matters: User cannot properly operate an item
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how rule engines diagnose the parent invalid issue for HTML element 312 of the Tradeoffs page.

1. Element style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)

   Tool: Html Checker API (World Wide Web Consortium)