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HTML <meta> http-equiv Attribute

❮ HTML <meta> tag


Refresh document every 30 seconds:

  <meta http-equiv="refresh" content="30">
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Definition and Usage

The http-equiv attribute provides an HTTP header for the information/value of the content attribute.

The http-equiv attribute can be used to simulate an HTTP response header.

Browser Support

http-equiv Yes Yes Yes Yes Yes


<meta http-equiv="content-security-policy|content-type|default-style|refresh">

Attribute Values

Value Description
content-security-policy Specifies a content policy for the document.


<meta http-equiv="content-security-policy" content="default-src 'self'">

content-type Specifies the character encoding for the document.


<meta http-equiv="content-type" content="text/html; charset=UTF-8">

default-style Specified the preferred style sheet to use.


<meta http-equiv="default-style" content="the document's preferred stylesheet">

Note: The value of the content attribute above must match the value of the title attribute on a link element in the same document, or it must match the value of the title attribute on a style element in the same document.

refresh Defines a time interval for the document to refresh itself.


<meta http-equiv="refresh" content="300">

Note: The value "refresh" should be used carefully, as it takes the control of a page away from the user. Using "refresh" will cause a failure in W3C's Web Content Accessibility Guidelines.

❮ HTML <meta> tag