Introduction

Headings are one of the first building blocks you use when structuring a webpage.

They are crucial for organizing content, guiding users, and helping search engines understand your page's hierarchy.

But using headings properly isn’t just about making text bigger or bolder — it's about semantic structure, accessibility, and SEO (Search Engine Optimization).

In this guide, we’ll explore everything you need to know about HTML headings: from h1 to h6, including best practices, real-world examples, and common mistakes.

1. What Are Headings in HTML?

Definition:

Headings in HTML are special tags (

to
) used to define the titles or subtitles of a page section.

Each heading level represents a different level of importance, with

being the highest and
the lowest.

Syntax Example:

Main Title
Subsection Title
Smaller Subsection

2. Purpose of Headings

  • Visual Structure: Break up large blocks of text, making pages easier to scan.
  • Semantic Meaning: Give meaning to the page content hierarchy.
  • Accessibility: Assist screen readers and assistive technologies to navigate content quickly.
  • SEO Benefits: Search engines prioritize content structure when ranking pages.

3. Understanding the Hierarchy: h1 to h6

Heading Tag Typical Use Case Importance Level

Main page title Highest

Main section heading High

Subsection under an

Medium

Subsection under an

Low
Minor subsections, rarely used Lower
Least important section headings Lowest

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