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HTML <h1> to <h6> tags

Example

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>

Try it yourself!

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 center right justify	Deprecated. Use styles instead. Specifies the alignment of the text in the heading.	TF

Standard Attributes

id, class, title, style, dir, lang, xml:lang

For a full description, go to Standard Attributes.

Event Attributes

onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup

For a full description, go to Event Attributes.