Heading Hierarchy Structure
Heading hierarchy is one of the most misunderstood — and most impactful — aspects of both SEO and web accessibility. This course provides a deep dive into how HTML headings (H1 through H6) create a document outline that search engines use to understand your content structure. You'll see multiple correct examples showing proper heading nesting alongside five common mistakes with clear explanations of why they hurt your rankings and accessibility scores. We reference official documentation from MDN, W3C, and Cloudflare to give you authoritative guidance. This is essential knowledge for anyone building web pages — get your heading structure right and you lay a strong foundation for everything else in SEO.
What You'll Learn
- ✓The semantic purpose of each heading level (H1-H6)
- ✓How to structure headings to create a logical document outline
- ✓Two fully annotated correct heading hierarchy examples
- ✓Five common heading mistakes and exactly why they're wrong
- ✓How screen readers use headings for navigation (accessibility)
- +2 more covered in the lesson below
Topics Covered
Prerequisites
- → Basic understanding of HTML tags