HTML | <iframe> src Attribute

The HTML <iframe> src attribute is used to specify the URL of the document that are embedded to the <iframe> element.

Syntax:

<iframe src="URL">

Attribute Values: It contains single value URL which specifies the URL of the document that is embedded to the iframe. There are two types of URL link which are listed below:

Absolute URL: It points to another webpage.
Relative URL: It points to other files of the same web page.

Below example illustrates the <iframe> src attribute in HTML:

Example:

html

<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML iframe src Attribute
    </title>
</head>
 
<body style="text-align:center;">
     
    <h1>GeeksforGeeks</h1>
     
    <h2>HTML iframe src Attribute</h2>
     
    <iframe src="https://ide.geeksforgeeks.org/index.php"
            height="200" width="400"></iframe>
</body>
 
</html>                   