diff --git a/aio/ngsw-manifest.json b/aio/ngsw-manifest.json
index 538b0ce425..343fe4f675 100644
--- a/aio/ngsw-manifest.json
+++ b/aio/ngsw-manifest.json
@@ -18,7 +18,7 @@
   "routing": {
     "index": "/index.html",
     "routes": {
-      "^(?!/styleguide|/docs/.|(?:/guide/(?:cli-quickstart|metadata|ngmodule|service-worker-(?:getstart|comm|configref)|learning-angular)|/news)(?:\\.html|/)?$|/testing|/api/(?:.+/[^/]+-|platform-browser/AnimationDriver|testing/|api/|animate/|(?:common/(?:NgModel|Control|MaxLengthValidator))|(?:[^/]+/)?(?:NgFor(?:$|-)|AnimationStateDeclarationMetadata|CORE_DIRECTIVES|PLATFORM_PIPES|DirectiveMetadata|HTTP_PROVIDERS))|.*/stackblitz(?:\\.html)?$|.*\\.[^\/.]+$)": {
+      "^(?!/styleguide|/docs/.|(?:/guide/(?:cli-quickstart|metadata|ngmodule|service-worker-(?:getstart|comm|configref)|learning-angular)|/news)(?:\\.html|/)?$|/testing|/api/(?:.+/[^/]+-|platform-browser/AnimationDriver|testing/|api/|animate/|(?:common/(?:NgModel|Control|MaxLengthValidator))|(?:[^/]+/)?(?:NgFor(?:$|-)|AnimationStateDeclarationMetadata|CORE_DIRECTIVES|PLATFORM_PIPES|DirectiveMetadata|HTTP_PROVIDERS))|.*/stackblitz(?:\\.html)?(?:\\?.*)?$|.*\\.[^\/.]+$)": {
         "match": "regex"
       }
     }
diff --git a/aio/tests/deployment/unit/testServiceWorkerRoutes.spec.ts b/aio/tests/deployment/unit/testServiceWorkerRoutes.spec.ts
index 95cec6143d..005353ee72 100644
--- a/aio/tests/deployment/unit/testServiceWorkerRoutes.spec.ts
+++ b/aio/tests/deployment/unit/testServiceWorkerRoutes.spec.ts
@@ -19,8 +19,14 @@ describe('service-worker routes', () => {
 
   it('should ignore stackblitz URLs', () => {
     const routes = loadSWRoutes();
+
+    // Normal StackBlitz URLs.
     expect(routes.some(test => test('/generated/live-examples/toh-pt6/stackblitz.html'))).toBeFalsy();
     expect(routes.some(test => test('/generated/live-examples/toh-pt6/stackblitz'))).toBeFalsy();
+
+    // Embedded StackBlitz URLs.
+    expect(routes.some(test => test('/generated/live-examples/toh-pt6/stackblitz.html?ctl=1'))).toBeFalsy();
+    expect(routes.some(test => test('/generated/live-examples/toh-pt6/stackblitz?ctl=1'))).toBeFalsy();
   });
 
   it('should ignore URLs to files with extensions', () => {