Kilotest: Diagnoses of not exactly 1 h1 heading
violation by HTML element 0 on Third Act page
Basics
About the Third Act page
- URL: https://thirdact.org/
- Tested 4 days ago by job
wm0on 2026-08-27 at 21:08
About HTML element 0
- Tag name:
HTML - Text: [not applicable]
- Start tag:
<html lang="en-US"> - XPath:
/html - Bounding box: x = 0, y = 0, width = 1920, height = 4307
About the not exactly 1 h1 heading
issue
- Why it matters: User cannot understand the topic of the document
- Priority: low
- Related WCAG standard: 1.3.1
Diagnoses
Here is how rule engines diagnose the not exactly 1 h1 heading
issue for HTML element 0 of the Third Act page.
- Expected at least one heading <code>h1</code> element, but found none.
Tool: ASLint (eSSENTIAL Accessibility)
Rule:
h1_must_be - Page should contain a level-one heading; Page must have a level-one heading
Tool: Axe (Deque)
Rule:
page-has-heading-one