The HTML <meta> scheme attribute specifies the metadata value's format or intended interpretation. It's used in conjunction with other attributes like name or http-equiv to define how content is processed.
Syntax
<meta scheme="format | URI">Attribute Values:
- format/URI: It is used to define the format (or points to an URI that contains the information) of the value inside the content attribute.
Examples: In this example, we demonstrate the use of the meta tag with a scheme attribute. It includes metadata about "Meta Tags".
<!DOCTYPE html>
<html>
<head>
<meta name="keywords"
content="Meta Tags, Metadata"
scheme="ISBN" />
</head>
<body>
<center>
<h1>GeeksForGeeks</h1>
<h2> Meta scheme attribute</h2>
<p>Hello GeeksforGeeks!</p>
</center>
</body>
</html>
Output:

Supported Browser
The browsers supported by HTML <meta> scheme Attribute are listed below: