Kilotest: Diagnoses of attribute invalid violation by HTML element 19 on DEPLOY/US page

Basics

About the page

• URL: https://deployus.org/
• Tested 3 days ago on 2026-10-07 at 19:53 by job 261007T1941-pp1
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 137
  • Violators: 75
  • Issues: 27
• 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 1 rule engine (Html Checker API)
• Violations: 6
• Violators: 5

About the violator

• Tag name: META
• Text: [not applicable]
• Start tag: <meta itemprop="thumbnailUrl" content="http://static1.squarespace.com/static/5980c6812994ca52a4efd76b/t/60748a31051e1e559ac4856f/1618250289385/white+logo.png?format=1500w">
• XPath: /html/head[1]/meta[14]
• Bounding box: [not obtained]
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the attribute invalid issue for HTML element 19 of the DEPLOY/US page.

1. The itemprop attribute was specified, but the element is not a property of any item.

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