This is useful for some backlinks "recovery".

referrer-basis-redirect

<?PHP

function smart_seo_redirect(){
if ( isset($_SERVER['HTTP_REFERER']) ){
	$referrer = $_SERVER['HTTP_REFERER'];
	$parse = parse_url($referrer);
  $referrer = $parse['host'];
	
	$matches = [];
    $matches[]= preg_match('/cool_referral_name/', $referrer, $matches);
    $matches[]= preg_match('/cool_referral_substring/', $referrer, $matches);
// 	... add as many as you want
	
	$url = "https://sitereceivingbacklinks.com";
	if ( sizeof( $matches ) > 0 ) {
		{
		wp_redirect( $url ) ;
   		exit;
   		}
	}
}
}

add_action('init', 'process_post');

function process_post(){
	smart_seo_redirect();
}