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HTML <base> tag

The HTML <base> element specifies the base URL to use for all relative URLs contained within a document.

There can be only one <base> element in a document, and it must be inside the <head> element.

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If the <base> tag is present, it must have either an href attribute or a target attribute, or both.

Browser compatibility

The <base> element is fully supported by all browsers:

Element
<base> yes yes yes yes yes



Attributes

The following table shows the attributes that are specific to the <base> tag:

Attribute Value Description
href URL Specifies the base URL for all relative URLs in the document
target
_blank
_parent
_self
_top
framename
Specifies the default target for all hyperlinks and forms in the page

Global Attributes

The <base> tag supports the global attributes described in HTML Global Attributes Reference

Event Attributes

The <base> tag does not support any event attributes. See HTML Events Reference


More Examples

The following example specifies a default target for all hyperlinks and forms on a page:

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Tags: Reference

Last updated: Monday 17 Sep, 2018