HTML <strong> Tag


Format text in a document:

<strong>Strong text</strong>

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Definition and Usage

The <strong> tag is a phrase tag. It defines important text.

Tip: This tag is not deprecated, but it is possible to achieve richer effect with CSS.

All phrase tags:

Tag Description
<em> Renders as emphasized text
<strong> Defines important text
<code> Defines a piece of computer code
<samp> Defines sample output from a computer program
<kbd> Defines keyboard input
<var> Defines a variable

Browser Support

<strong> Yes Yes Yes Yes Yes

Differences Between HTML 4.01 and HTML5

In HTML 4.01, the <strong> tag defines strong emphasized text, but in HTML5 it defines important text.

Global Attributes

The <strong> tag also supports the Global Attributes in HTML.

Event Attributes

The <strong> tag also supports the Event Attributes in HTML.

Related Pages

HTML tutorial: HTML Text Formatting

HTML DOM reference: Strong Object

Default CSS Settings

Most browsers will display the <strong> element with the following default values:


strong {
    font-weight: bold;

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