Kilotest: Diagnoses of heading structure illogical violation by HTML element 278 on LibreOffice page

Here is how tools diagnose the heading structure illogical issue for HTML element 278 of the LibreOffice page.

Basics

• About the heading structure illogical issue
  • Why it matters: Helper misdescribes the document
  • Priority: low
  • Related WCAG standard: 1.3.1
• About the LibreOffice page
  • URL: https://www.libreoffice.org/
  • Tested on 2026-04-05 at 23:04
• About HTML element 278
  • Take me there
  • Tag name: H5
  • Text: from LibreOffice official blog
  • Start tag: <h5>
  • XPath: /html/body/section[3]/div[1]/div[1]/div[1]/h5[1]
  • Bounding box: x = 390, y = 1549, width = 555, height = 18

Diagnoses

1. The heading structure is not logically nested. This h5 element should be an h4 to be properly nested.

   Tool: HTML CodeSniffer (Squiz Labs)

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