Kilotest: Diagnoses of primary heading not h1 violation by HTML element 131 on Mozilla Foundation page

Here is how tools diagnose the primary heading not h1 issue for HTML element 131 of the Mozilla Foundation page.

Basics

• About the primary heading not h1 issue
  • Why it matters: User cannot understand the topic of the document
  • Priority: low
  • Related WCAG standard: 1.3.1
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• About HTML element 131
  • Take me there
  • Tag name: H2
  • Text: Help us improve your Mozilla experience
  • Start tag: <h2 class="moz-consent-banner-heading">
  • XPath: /html/body/aside[1]/div[1]/h2[1]
  • Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

1. The heading structure is not logically nested. This h2 element appears to be the primary document heading, so should be an h1 element.

   Tool: WallyAX (Wally)