Kilotest: Diagnoses of heading level skipped violation by HTML element 628 on National Coalition Against Censorship 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 628 of the National Coalition Against Censorship page.

  1. Heading levels should only increase by one; Heading order invalid

    Rule engine: Axe (Deque)

    Rule: heading-order

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

    Rule engine: Html Checker (World Wide Web Consortium)

  3. Headings should step down one level at a time

    Rule engine: Pour (David Yarham and Geoffrey Crofte)

    Rule: heading-order