HTML <iframe> tag

Updated: 10/11/2017 by Computer Hope

HTML iframe tagWhen writing in HTML, the <iframe> tag is a block element used to designate an inline frame, which allows the user to embed an HTML document into the current web page. It is useful when you want to add interactive content, advertisements, or content that utilizes a scrollbar. 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

<iframe src="" height="250px" width="100%">

Example result


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 <iframe> tag, as well as a description of each.

Attribute Description
height Designates the height of the <iframe>
name Designates a name for the <iframe>
sandbox Designates extra restrictions used on the content within the <iframe>
seamless Designates that the <iframe> should appear as part of the page
src Designates the URL of the document to be embedded
width Designates the width of the <iframe>

Deprecated attributes

A deprecated attribute is one that may function currently but is not supported in going forward. While the attribute may work with the current version of HTML, it will eventually be phased out. It is better to avoid using these attributes to help future-proof your website.

Attribute Description
align Designates the alignment of the <iframe> with respect to the content around it
frameborder Toggles borders for the <iframe>
longdesc Designates additional information about the content
marginheight Designates the bottom and top margins for an <iframe>
marginwidth Designates the right and left margins for an <iframe>
scrolling Toggles scrollbars for the <iframe>


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