WordPress Version: 6.1
/**
* Displays a referrer `strict-origin-when-cross-origin` meta tag.
*
* Outputs a referrer `strict-origin-when-cross-origin` meta tag that tells the browser not to send
* the full URL as a referrer to other sites when cross-origin assets are loaded.
*
* Typical usage is as a {@see 'wp_head'} callback:
*
* add_action( 'wp_head', 'wp_strict_cross_origin_referrer' );
*
* @since 5.7.0
*/
function wp_strict_cross_origin_referrer()
{
?>
<meta name='referrer' content='strict-origin-when-cross-origin' />
<?php
}