Kilotest: Diagnoses of heading structure illogical violation by HTML element 488 on Environmental Working Group page

Basics

About the page

• URL: https://www.ewg.org/
• Tested 3 days ago on 2026-10-07 at 21:15 by job 261007T2112-2p4
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1488
  • Violators: 693
  • Issues: 63
• Download the full technical report (JSON)

About the issue

• Why it matters: Helper misdescribes the page
• Priority: low
• Related WCAG standard: 1.3.1
• Reported by 2 rule engines (ASLint + HTML CodeSniffer)
• Violations: 5
• Violators: 4

About the violator

• Tag name: H3
• Text: Tap Water Database
• Start tag: <h3 class="node-title">
• XPath: [not obtained]
• Bounding box: x = 448, y = 1500, width = 321, height = 29
• Reported by HTML CodeSniffer

Take me there

Diagnoses

Here is how rule engines diagnose the heading structure illogical issue for HTML element 488 of the Environmental Working Group page.

1. The heading structure is not logically nested. This h3 element should be an h2 to be properly nested.

   Rule engine: HTML CodeSniffer (Squiz Labs)

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