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HTML <area> referrerpolicy Attribute

❮ HTML <area> tag

Example

Set the referrerpolicy attribute for the area hyperlinks:

<map name="planetmap">
<area shape="rect" coords="0,0,82,126" href="sun.htm" alt="Sun" referrerpolicy="same-origin">
<area shape="circle" coords="90,58,3" href="mercur.htm" alt="Mercury" referrerpolicy="same-origin">
<area shape="circle" coords="124,58,8" href="venus.htm" alt="Venus" referrerpolicy="same-origin">
</map>

Definition and Usage

The referrerpolicy attribute specifies which referrer information to send when the user clicks on the hyperlink.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
referrerpolicy 51.0 79.0 50.0 11.1 38.0

Syntax

<area 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 No referrer information is sent
no-referrer-when-downgrade Default. Sends the origin, path, and query string if the protocol security level stays the same or is higher (HTTP to HTTP, HTTPS to HTTPS, HTTP to HTTPS is ok). Sends nothing to less secure level (HTTPS to HTTP is not ok)
origin Sends the origin (scheme, host, and port) of the document
origin-when-cross-origin Sends the origin of the document for cross-origin request. Sends the origin, path, and query string for same-origin request
same-origin Sends a referrer for same-origin request. Sends no referrer for cross-origin request
strict-origin-when-cross-origin Sends the origin if the protocol security level stays the same or is higher (HTTP to HTTP, HTTPS to HTTPS, and HTTP to HTTPS is ok). Sends nothing to less secure level (HTTPS to HTTP)
unsafe-url Sends the origin, path, and query string (regardless of security). Use this value carefully!

❮ HTML <area> tag