diff --git a/src/common/utils/sendPostMessage.ts b/src/common/utils/sendPostMessage.ts
index 1f2b2110..0871ec6f 100644
--- a/src/common/utils/sendPostMessage.ts
+++ b/src/common/utils/sendPostMessage.ts
@@ -1,4 +1,4 @@
-export const sendPostMessage = (message: 'onSuccess' | 'onError' | 'onBack') => {
-    window.top.postMessage(message);
+export const sendPostMessage = (message: 'onSuccess' | 'onError' | 'onBack' | 'onProgress') => {
+    window.top.postMessage(message, '*');
     console.info(`${message} message sent`);
 };
diff --git a/src/components/GlobalContainer/usePostMessage.ts b/src/components/GlobalContainer/usePostMessage.ts
index 93463df7..82810a56 100644
--- a/src/components/GlobalContainer/usePostMessage.ts
+++ b/src/components/GlobalContainer/usePostMessage.ts
@@ -12,6 +12,9 @@ const handlePaymentStatusChanged = (condition: PaymentStatusChanged) => {
         case 'failed':
             sendPostMessage('onError');
             break;
+        case 'pending':
+            sendPostMessage('onProgress');
+            break;
     }
 };
 
@@ -36,6 +39,11 @@ export function usePostMessage(conditions: PaymentCondition[]) {
             case 'invoiceStatusChanged':
                 handleInvoiceStatusChanged(lastCondition);
                 break;
+            case 'paymentStatusUnknown':
+            case 'interactionCompleted':
+            case 'paymentStarted':
+                sendPostMessage('onProgress');
+                break;
         }
     }, [conditions]);
 }
diff --git a/src/components/ViewContainer/PaymentResultView/PaymentResultView.tsx b/src/components/ViewContainer/PaymentResultView/PaymentResultView.tsx
index afa9a4d1..a621c1cc 100644
--- a/src/components/ViewContainer/PaymentResultView/PaymentResultView.tsx
+++ b/src/components/ViewContainer/PaymentResultView/PaymentResultView.tsx
@@ -8,7 +8,7 @@ import {
     PaymentModelContext,
     ViewModelContext,
 } from 'checkout/contexts';
-import { isNil, last } from 'checkout/utils';
+import { isNil, last, sendPostMessage } from 'checkout/utils';
 
 import { ResultIcon } from './ResultIcon';
 import { getPaymentFormViewId, getResultInfo, isExternalIdEmpty, isInstantPayment } from './utils';
@@ -79,7 +79,10 @@ export function PaymentResultView() {
                             colorScheme="brand"
                             size="lg"
                             variant="link"
-                            onClick={() => window.open(initContext.redirectUrl, '_self')}
+                            onClick={() => {
+                                sendPostMessage('onBack');
+                                window.open(initContext.redirectUrl, '_self');
+                            }}
                         >
                             {l['form.button.back.to.website']}
                         </Button>