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
http
Link: <uri-reference>; param1=value1; param2="value2"
<uri-reference>
-
The URI reference, must be enclosed between
<
and>
and URL encoded.
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 >
:
http
Link: <https://example.com>; rel="preconnect"
http
Link: https://bad.example; rel="preconnect"
Encoding URLs
The URI (absolute or relative) must encode char codes greater than 255:
http
Link: <https://example.com/%E8%8B%97%E6%9D%A1>; rel="preconnect"
http
Link: <https://example.com/苗条>; rel="preconnect"
Specifying multiple links
You can specify multiple links separated by commas, for example:
http
Link: <https://one.example.com>; rel="preconnect", <https://two.example.com>; rel="preconnect", <https://three.example.com>; rel="preconnect"
Specifications
Specification |
---|
Web Linking # header |
Browser compatibility
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