Baseline Widely available *
The <meta>
HTML element represents metadata that cannot be represented by other meta-related elements, such as <base>
, <link>
, <script>
, <style>
, or <title>
.
The type of metadata provided by the <meta>
element can be one of the following:
name
attribute is set, the <meta>
element provides document-level metadata that applies to the whole page.http-equiv
attribute is set, the <meta>
element acts as a pragma directive to simulate directives that could otherwise be given by an HTTP header.charset
attribute is set, the <meta>
element is a charset declaration, giving the character encoding in which the document is encoded.itemprop
attribute is set, the <meta>
element provides user-defined metadata.This element includes the global attributes.
Note: The name
attribute has a specific meaning for the <meta>
element. The itemprop
attribute must not be set on a <meta>
element that includes a name
, http-equiv
, or charset
attribute.
charset
This attribute declares the document's character encoding. If the attribute is present, its value must be an ASCII case-insensitive match for the string "utf-8"
, because UTF-8 is the only valid encoding for HTML5 documents. <meta>
elements which declare a character encoding must be located entirely within the first 1024 bytes of the document.
content
This attribute contains the value for the http-equiv
or name
attribute, depending on which is used.
http-equiv
Defines a pragma directive, which are instructions for the browser for processing the document. The attribute's name is short for http-equivalent
because the allowed values are names of equivalent HTTP headers.
media
The media
attribute defines which media the theme color defined in the content
attribute should be applied to. Its value is a media query, which defaults to all
if the attribute is missing. This attribute is only relevant when the element's name
attribute is set to theme-color
. Otherwise, it has no effect, and should not be included.
name
The name
and content
attributes can be used together to provide document metadata in terms of name-value pairs, with the name
attribute giving the metadata name, and the content
attribute giving the value.
The following <meta>
tag provides a description
as metadata for the web page:
<meta
name="description"
content="The HTML reference describes all elements and attributes of HTML, including global attributes that apply to all elements." />
Setting a page redirect
The following example uses http-equiv="refresh"
to direct the browser to perform a redirect. The content="3;url=https://www.mozilla.org"
attribute will redirect page to https://www.mozilla.org
after 3 seconds:
<meta http-equiv="refresh" content="3;url=https://www.mozilla.org" />
Technical summary Specifications Browser compatibility See also
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4