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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.
Example
The URI must be enclosed between < and >:
Link: <https://example.com>; rel="preconnect"
Link: https://bad.example; rel="preconnect"
Specifications
| Specification | Status | Comments |
|---|---|---|
| RFC 8288, section 3: Link Serialisation in HTTP Headers | IETF RFC | |
| RFC 5988, section 5: The Link Header Field | IETF RFC | Initial definition |
Browser Compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
No compatibility data found. Please contribute data for "http.headers.Link" (depth: 1) to the MDN compatibility data repository.