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HTML <html> Tag

Last Updated : 11 Jul, 2025

HTML is a language full of diverse elements, and one such element is the <html> tag. This tag, standing for ‘HyperText Markup Language’, is used to define the root of an HTML or XHTML document.

  • It serves as the main container for all other HTML elements, excluding the <!DOCTYPE> declaration
  • It follows the <!DOCTYPE> declaration and requires both opening and closing tags.

Syntax:

<html> HTML Contents... </html>

HTML Document Structure

👁 html-structure
HTML Structure

Default CSS Settings

The following default values are mostly displayed by the current browsers:

html {
  display: block;
 visibility: visible
}

Attribute Value:

The <html> tag includes the xmlns attribute. This attribute defines the namespace for attributes, ensuring proper interpretation and compatibility of XHTML elements.

Note: The <html> tag supports the Global Attributes in HTML.

HTML Tag Examples

Example 1:  This example illustrates the <html> tag element in HTML.


Example 2: In this example, we will be using the xmlns attribute inside the <html> tag. 


Browsers Support

Attribute👁 Chrome
👁 Edge
👁 Firefox
👁 Safari
👁 Opera
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