HTML <base> tag

Updated: 10/11/2017 by Computer Hope

HTML base tagWhen writing in HTML, the <base> tag is used to designate the base URL for every relative URL inside of a document. This tag may only be used once, and it must be contained within the <head> of the page. The following sections contain information about this tag, including an example of it in use, as well as related attributes and browser compatibility.

Example code

<base href="/">

<img src="/jargon/h/chguy.gif" width="57" height="120" alt="Hope Guy">

Example result

Hope Guy

Notice we can load the Computer Hope Guy image using only the relative path because we specified where the absolute path is using the <base> tag in the <head>. In other words, the current URL is: Normally, the browser would try to load "chguy.gif" from the directory because it's the same directory as the "html-base-tag.htm" file. However, because the base tag devices the base as it will load "chguy.gif" as


Within an HTML tag, an attribute dictates certain aspects of an HTML element. Attributes are made up of a name and value pair; all tags support standard attributes. The following table shows all of the current unique HTML attributes for the <base> tag, as well as a description of each.

Attribute Description
href Designates the URL of the web page to which the link points
target Designates the target for all of the hyperlinks in a page


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