Kilotest: Diagnoses of h1 not 1st heading violation by HTML element 528 on Third Act page

Basics

About the Third Act page

• URL: https://thirdact.org/
• Tested 4 days ago by job wm0 on 2026-08-27 at 21:08

About HTML element 528

• Tag name: HTML
• Text: [not applicable]
• Start tag: [not obtained]
• XPath: /html
• Bounding box: [not obtained]

About the h1 not 1st heading issue

• Why it matters: User cannot understand the topic of the document
• Priority: high
• Related WCAG standard: 1.3.1

Diagnoses

Here is how rule engines diagnose the h1 not 1st heading issue for HTML element 528 of the Third Act page.

1. The document does not start with a level 1 heading

   Tool: Alfa (Siteimprove)

   Rule: r61