HTML headings are defined with the <h1> to <h6> tags:

• <h1>This is a heading</h1>
• <h2>This is a heading</h2>
• <h3>This is a heading</h3>
• </h4>This is a heading</h4>
• <h5>This is a heading</h5>
• <h6>This is a heading</h6>

Headings are important for accessibility and search engine optimization

• <h1>defines the most important heading.
• <h6>defines the least important heading.

Output:-