Kilotest: Diagnoses of attribute invalid violation by HTML element 61 on Third Act page

Basics

About the Third Act page

• URL: https://thirdact.org/
• Tested 67 days ago by job f1c on 2026-03-26 at 23:59

About HTML element 61

• Tag name: HEADER
• Text: Our Work … Donate
• Start tag: <header class="header" x-data="{ open: false }">
• XPath: /html/body/div[2]/header[1]
• Bounding box: x = 0, y = 0, width = 1920, height = 81

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 61 of the Third Act page.

1. Attribute x-data not allowed on element header at this point.

   Tool: Html Checker API (World Wide Web Consortium)