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>
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
Report problems with this compatibility data on GitHubChrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on iOS | Samsung Internet | WebView Android | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Legend
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Full support
Compatibility unknown