Kilotest: Diagnoses of heading level skipped
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
- Rule engines:
- 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 4 rule engines (Alfa + Axe + Html Checker API + Pour)
- Violations: 4
- Violators: 2
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 Axe + Html Checker API + Pour
Diagnoses
Here is how rule engines diagnose the heading level skipped
issue for HTML element 488 of the Environmental Working Group page.
- Heading levels should only increase by one; Heading order invalid
Rule engine: Axe (Deque)
Rule:
heading-order - The heading h3 (with computed level 3) follows the heading h1 (with computed level 1), skipping 1 heading level.
Rule engine: Html Checker API (World Wide Web Consortium)
- Headings should step down one level at a time
Rule engine: Pour (David Yarham and Geoffrey Crofte)
Rule:
heading-order