Kilotest: Diagnoses of heading structure illogical violation by HTML element 848 on Sightline Institute page

Here is how tools diagnose the heading structure illogical issue for HTML element 848 of the Sightline Institute 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 Sightline Institute page
  • URL: https://www.sightline.org/
  • Tested on 2026-04-03 at 04:04
• About HTML element 848
  • Tag name: H4
  • Text: Our Work
  • Start tag: <h4 class="gb-headline gb-headline-eb84f2fa gb-headline-text">
  • XPath: /html/body/div[3]/footer[1]/div[1]/div[1]/div[2]/div[1]/div[2]/div[1]/div[1]/div[1]/h4[1]
  • Bounding box: x = 888, y = 3183, width = 153, height = 26

Diagnoses

1. The heading structure is not logically nested. This h4 element should be an h3 to be properly nested.

   Tool: HTML CodeSniffer (Squiz Labs)

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