HTML Syntax: The Building Blocks

Master the fundamentals of HTML syntax including elements, tags, nesting, and document structure.

Progress

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Key Concepts

  • Basic Syntax
  • Element Structure
  • Attributes
  • Nesting & Hierarchy

Basic Structure

Document Skeleton

Learn the minimum structure required to create a valid HTML document.

Syntax Rules

Understand proper tag casing, nesting, and attribute formatting.

Incorrect
Correct
<div>
  <p>Hello, World</p>
</div>

vs.

<div>
  <p>Hello, World</p>
</div>

Try HTML Syntax

<!-- Comment -->
<h1>Heading</h1>
<p class="intro">This is a paragraph.</p>

Heading

This is a paragraph.

See how syntax directly affects rendered output