Kilotest: Diagnoses of attribute invalid violation by HTML element 62 on Environmental Working Group page

Basics

About the page

• URL: https://www.ewg.org/
• Tested 3 days ago on 2026-10-07 at 21:15 by job 261007T2112-2p4
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1488
  • Violators: 693
  • Issues: 63
• Download the full technical report (JSON)

About the issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1
• Reported by 2 rule engines (Accessibility Checker + Html Checker API)
• Violations: 14
• Violators: 14

About the violator

• Tag name: LINK
• Text: [not applicable]
• Start tag: <link rel="stylesheet" type="text/css" id="poptin-css-file" href="https://cdn.popt.in/css/poptin-style-en.css?ver=10" defer="">
• XPath: /html/head[1]/link[20]
• Bounding box: [not obtained]
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the attribute invalid issue for HTML element 62 of the Environmental Working Group page.

1. Attribute defer not allowed on element link at this point.

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