diff --git a/000-vip-init.php b/000-vip-init.php
index dce6df9fa4..4897b83cdf 100644
--- a/000-vip-init.php
+++ b/000-vip-init.php
@@ -280,6 +280,9 @@
 if ( ( defined( 'USE_VIP_ELASTICSEARCH' ) && USE_VIP_ELASTICSEARCH ) || // legacy constant name
 	( defined( 'VIP_ENABLE_VIP_SEARCH' ) && true === VIP_ENABLE_VIP_SEARCH ) ) {
 	require_once __DIR__ . '/search/search.php';
+	if ( ! defined( 'VIP_SEARCH_ENABLED_BY' ) ) {
+		define( 'VIP_SEARCH_ENABLED_BY', 'constant' );
+	}
 }
 
 // Set WordPress environment type
diff --git a/config/class-site-details-index.php b/config/class-site-details-index.php
index bd3dd2f1ff..022ddcd402 100644
--- a/config/class-site-details-index.php
+++ b/config/class-site-details-index.php
@@ -260,10 +260,12 @@ public function get_search_info() {
 			$search_info['enabled']                   = true;
 			$search_info['query_integration_enabled'] = \Automattic\VIP\Search\Search::is_query_integration_enabled();
 			$search_info['network_enabled']           = defined( 'EP_IS_NETWORK' ) && true === constant( 'EP_IS_NETWORK' );
+			$search_info['enabled_by']                = defined( 'VIP_SEARCH_ENABLED_BY' ) ? constant( 'VIP_SEARCH_ENABLED_BY' ) : 'unknown';
 		} else {
 			$search_info['enabled']                   = false;
 			$search_info['query_integration_enabled'] = false;
 			$search_info['network_enabled']           = false;
+			$search_info['enabled_by']                = false;
 		}
 
 		return $search_info;
diff --git a/integrations/enterprise-search.php b/integrations/enterprise-search.php
index 39b5ab4e02..d1ad2d6234 100644
--- a/integrations/enterprise-search.php
+++ b/integrations/enterprise-search.php
@@ -44,6 +44,10 @@ public function load(): void {
 		} else {
 			require_once __DIR__ . '/../search/search.php';
 		}
+
+		if ( ! defined( 'VIP_SEARCH_ENABLED_BY' ) ) {
+			define( 'VIP_SEARCH_ENABLED_BY', 'integration' );
+		}
 	}
 
 	/**