Link
The HTTP Link
entity-header field provides a means for serializing one or more links in HTTP headers. It is semantically equivalent to the HTML <link>
element.
Syntax
Link: <uri-reference>; param1=value1; param2="value2"
<uri-reference>
-
The URI reference, must be enclosed between
<
and>
.
Parameters
The link header contains parameters, which are separated with ;
and are equivalent to attributes of the <link>
element.
Examples
The URI (absolute or relative) must be enclosed between <
and >
:
Link: <https://example.com>; rel="preconnect"
Link: https://bad.example; rel="preconnect"
Specifying multiple links
You can specify multiple links separated by commas, for example:
Link: <https://one.example.com>; rel="preconnect", <https://two.example.com>; rel="preconnect", <https://three.example.com>; rel="preconnect"
Specifications
Specification | Title |
---|---|
RFC 8288, section 3: Link Serialization in HTTP Headers | Web Linking |
Browser compatibility
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.
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