Kilotest: Diagnoses of attribute invalid violation by HTML element 22 on California Groundbreakers page

Basics

About the California Groundbreakers page

• URL: https://www.californiagroundbreakers.org/
• Tested 29 days ago by job lkn on 2026-05-03 at 17:04

About HTML element 22

• Tag name: META
• Text: [not applicable]
• Start tag: <meta itemprop="thumbnailUrl" content="http://static1.squarespace.com/static/5743898e859fd042ddd4374c/t/57e62fc6d482e9a8f58659cf/1474703303565/CAGB-mainlogo-01.png?format=1500w">
• XPath: /html/head[1]/meta[17]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the attribute invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the attribute invalid issue for HTML element 22 of the California Groundbreakers page.

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

   Tool: Html Checker API (World Wide Web Consortium)