HTML headings are used to define the headings of sections on a webpage, which helps organize and structure content.
HTML provides six levels of heading elements. <h1> Heading 1 is the highest section level and <h6> Heading 6 is the lowest.
Here's a brief overview: -
<h1>: Represents the top-level heading. Typically used for the main title. Also, Search engines use them for indexing as <h1> for main titles,
that's why, H1 should generally be only one per page to maintain a clear content hierarchy.
<h2> – For Subheadings: It further divides the content into more specific areas within H1 section.
<h3> to <h6> Tags: These tags are used for further subsections or nested content within <h2> headings.
Why Headings are Important:
Headings help in structuring content logically, making it easier for readers to follow. -
- Accessibility: Screen readers use headings to help users navigate through content, improving accessibility for people with disabilities.
- SEO Impact: Search engines use headings to understand the content and relevance of a webpage, which can impact search engine rankings.
- Highlighting Key Topics: headings involves structuring your content to make important information stand out and be easily navigable.
<!DOCTYPE html>
<html>
<body>
<h1>Space Exploration: An In-Depth Guide</h1>
<h2>The Solar System</h2>
<p>Explore the various elements of our solar system.</p>
<h3>Planets</h3>
<h4>Inner Planets</h4>
<p>Details about Mercury, Venus, Earth, and Mars.</p>
<h4>Outer Planets</h4>
<p>Information about Jupiter, Saturn, Uranus, and Neptune.</p>
<h3>Moons</h3>
<p>Learn about the natural satellites orbiting the planets.</p>
<h2>Beyond Our Solar System</h2>
<p>Discover galaxies, black holes, and other phenomena beyond our solar system.</p>
<h3>Galaxies</h3>
<h4>Spiral Galaxies</h4>
<p>Characteristics and examples of spiral galaxies.</p>
<h4>Elliptical Galaxies</h4>
<p>Overview of elliptical galaxies and their properties.</p>
<h3>Black Holes</h3>
<p>Understanding the nature and behavior of black holes.</p>
By organizing content with HTML headings, you create a well-structured document that enhances readability and user experience.
Avoid the following mistakes
- Hierarchical Structure: Always follow the order of headings (h1, h2, h3, etc.). Don't skip levels. Don't Do (h1,h4,h3)
- Overusing h1: Use h1 for the primary heading of a page; don't use it multiple times on a page. There should generally be only one `<h1>` on a page
Proper use of HTML headings ensures that your content is well-organized, accessible, and optimized for search engines.
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