Kilotest: Diagnoses of heading level skipped violation by HTML element 359 on Buy Nothing Project page

Basics

About the page

About the issue

About the violator

Diagnoses

Here is how rule engines diagnose the heading level skipped issue for HTML element 359 of the Buy Nothing Project page.

  1. The heading h4 (with computed level 4) follows the heading h1 (with computed level 1), skipping 2 heading levels.

    Rule engine: Html Checker API (World Wide Web Consortium)