Kilotest: Diagnoses of banner child of landmark violation by HTML element 626 on Mozilla Foundation page

Here is how tools diagnose the banner child of landmark issue for HTML element 626 of the Mozilla Foundation page.

Basics

• About the banner child of landmark issue
  • Why it matters: User cannot get help on how some of the document is organized
  • Priority: low
  • Related WCAG standard: 1.3.6
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• About HTML element 626
  • Take me there
  • Tag name: HEADER
  • Text: Get Firefox news
  • Start tag: <header class="mzp-c-newsletter-header">
  • XPath: /html/body/div[2]/footer[1]/div[1]/div[1]/div[2]/form[1]/header[1]
  • Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

1. [failed] The banner landmark is not at top level.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP19

2. The banner landmark is nested within another landmark.

   Tool: WallyAX (Wally)

   Rule: Place the banner landmark at the top level, not within another landmark.