HTML h1, h2, h3, h4, h5 and h6 tags


The six different HTML headings:
<h1>This is heading 1</h1>
<h2>This is heading 2</h2>
<h3>This is heading 3</h3>
<h4>This is heading 4</h4>
<h5>This is heading 5</h5>
<h6>This is heading 6</h6>

Definition and Usage

The <h1> to <h6> tags are used to define HTML headings.
<h1> defines the largest heading and <h6> defines the smallest heading.

Browser Support

The <h1> to <h6> tags are supported in all major browsers.

Differences Between HTML and XHTML

The "align" attribute of the <h1> to <h6> elements was deprecated in HTML 4.01, and is not supported in XHTML 1.0 Strict DTD.

Optional Attributes

DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute Value Description DTD
align left
Deprecated. Use styles instead.
Specifies the alignment of the text in the heading.

Standard Attributes

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