HTML <iframe> referrerpolicy Attribute

Example

<iframe src="demo.html" referrerpolicy="no-referrer">
  Your browser does not support iframe element.
</iframe>

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Meaning

The referrerpolicy attribute specifies which referrer to send when fetching the frame's resource

Standard Syntax

<iframe referrerpolicy="no-referrer|no-referrer-when-downgrade|origin|origin-when-cross-origin|same-origin|strict-origin-when-cross-origin|unsafe-url">

Attribute Values

Value	Description
no-referrer	The Referer will not be sent.
no-referrer-when-downgrade	The Referer will not be sent to origins without TLS (HTTPS).
origin	The sent referrer will be limited to the origin of the referring page ( scheme, host, and port).
origin-when-cross-origin	The referrer sent to other origins will be limited to the scheme, the host, and the port.
same-origin	A referrer will be sent for same origin, but cross-origin requests will contain no referrer information.
strict-origin-when-cross-origin	(default) Send a full URL when performing a same-origin request, only send the origin when the protocol security level stays the same (HTTPS to HTTPS), and send no to a less secure destination (HTTPS toHTTP).
unsafe-url	The referrer will include the origin and the path (but not the fragment, password, or username).