Kilotest: Diagnoses of heading structure illogical violation by HTML element 131 on Mozilla Foundation page

Basics

About the Mozilla Foundation page

• URL: https://www.mozilla.org/en-US/
• Tested 38 days ago by job tyn on 2026-04-24 at 19:48

About HTML element 131

• 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

Take me there

About the heading structure illogical issue

• Why it matters: Helper misdescribes the document
• Priority: low
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the heading structure illogical issue for HTML element 131 of the Mozilla Foundation page.

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: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle1.Guideline1_3.1_3_1_AAA.G141

2. The heading structure is not logically nested. This h2 element should be an h1 to be properly nested.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle1.Guideline1_3.1_3_1_AAA.G141