Heading tag is often used to specify heading to on the page. <h1> to <h6> tags are used to create headings. Each heading will appear on separate lines.  You will notice that all headings will appear in bold text with a different font size.

Creating headings

<!DOCTYPE html>
<html>
    <title>HTML Page</title>
<body>
<h1>Heading 1</h1> <h2>Heading 2</h2> <h3>Heading 3</h3> <h4>Heading 4</h4> <h5>Heading 5</h5> <h6>Heading 6</h6> </body> </html>

Output

Heading 1

Heading 2

Heading 3

Heading 4

Heading 5
Heading 6

You can change the appearance of heading tag using CSS.