diff --git a/wp-includes/components/class-wp-service-worker-configuration-component.php b/wp-includes/components/class-wp-service-worker-configuration-component.php
index b1e0c2547..4a34cb1c9 100644
--- a/wp-includes/components/class-wp-service-worker-configuration-component.php
+++ b/wp-includes/components/class-wp-service-worker-configuration-component.php
@@ -120,8 +120,11 @@ public function get_script() {
 			}
 		}
 
+		// Include wp.hooks for extensions to modify behavior of service worker with JS.
+		$script .= "\n// Include wp-includes/js/dist/hooks.js.\n" . file_get_contents( ABSPATH . WPINC . '/js/dist/hooks.js' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
+
 		// Note: This includes the aliasing of `workbox` to `wp.serviceWorker`.
-		$script .= file_get_contents( PWA_PLUGIN_DIR . '/wp-includes/js/service-worker.js' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
+		$script .= "\n// Include wp-includes/js/js/service-worker.js.\n" . file_get_contents( PWA_PLUGIN_DIR . '/wp-includes/js/service-worker.js' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
 
 		return $script;
 	}
diff --git a/wp-includes/js/service-worker-navigation-routing.js b/wp-includes/js/service-worker-navigation-routing.js
index 6874a74d3..1f44ac4d4 100644
--- a/wp-includes/js/service-worker-navigation-routing.js
+++ b/wp-includes/js/service-worker-navigation-routing.js
@@ -36,6 +36,15 @@ ERROR_OFFLINE_URL, ERROR_500_URL, NAVIGATION_DENYLIST_PATTERNS, ERROR_MESSAGES *
 	async function handleNavigationRequest( { event } ) {
 		const handleResponse = ( response ) => {
 			if ( response.status < 500 ) {
+				/**
+				 * Fires when service worker detected a request resulted in a successful response.
+				 *
+				 * @param {object} args
+				 * @param {Event} args.event
+				 * @param {Response} args.response
+				 */
+				wp.hooks.doAction( 'navigation_response_success', { event, response, navigationCacheStrategy } );
+
 				return response;
 			}