What are the core concepts covered in Headings, Paragraphs & Ordered/Unordered Lists?

Proper h1 through h6 heading hierarchy for SEO; Paragraphs, line breaks ( ), and thematic breaks ( ); Ordered ( ), unordered ( ), and description lists ( )

Beginner 12 min readModule: Module 2: Document Structure, Headings & Text Formatting

Headings, Paragraphs & Ordered/Unordered Lists

Establish strong typographic hierarchy with h1-h6 headings, paragraphs, and nested lists.

What You Will Learn in This Lesson

Proper h1 through h6 heading hierarchy for SEO
Paragraphs, line breaks (<br>), and thematic breaks (<hr>)
Ordered (<ol>), unordered (<ul>), and description lists (<dl>)

Introduction & Core Concept

Text is the core carrier of information on the web. Search engine bots and screen readers rely on heading hierarchy to generate table-of-contents outlines for your web pages.

WHY DOES THIS MATTER IN THE REAL WORLD?

Skipping heading levels (e.g. going from h1 directly to h4) breaks accessibility navigation for blind users and penalizes search engine rankings.

Semantic Text & List Structure

html

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<article>
  <h1>Modern Web Development</h1>
  <p>Web engineering combines structure, styling, and logic.</p>
  
  <h2>Core Technologies</h2>
  <ul>
    <li>HTML5 for Structure</li>
    <li>CSS3 for Presentation</li>
    <li>JavaScript for Behavior</li>
  </ul>
</article>

Line-by-Line Technical Breakdown

1Always have only one <h1> per page representing the central topic.

Try It Yourself (Interactive Editor)

Modify the code in real-time and click Run to test live browser output and console logs.

Intelligent Code Runner & Live Sandbox[HTML]

HTML SOURCE EDITOR

Interactive Live Code

Industry Best Practices & Professional Standards

Never use headings just to make text bigger; use CSS for sizing.

Lesson Summary & Core Takeaways

Headings create the logical outline of web documents.