Kilotest: Diagnoses of attribute obsolete violation by HTML element 11 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 11

• Tag name: SCRIPT
• Text: [not applicable]
• Start tag: <script async="" src="https://www.googletagmanager.com/gtm.js?id=GTM-WQKRNL7B">
• XPath: /html/head[1]/script[5]
• Bounding box: x = 0, y = 0, width = 0, height = 0

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 rule engines diagnose the attribute obsolete issue for HTML element 11 of the Tradeoffs page.

1. The charset attribute on the script element is obsolete.

   Tool: Html Checker API (World Wide Web Consortium)