Link
Link
The HTTP Link entity-header field provides a means for serialising 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
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Browser compatibility
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See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Link