diff --git a/CefViewCore b/CefViewCore
index 56f43757..e89ecd4f 160000
--- a/CefViewCore
+++ b/CefViewCore
@@ -1 +1 @@
-Subproject commit 56f437578cbf8ae5dda36ff6450768fcce86a840
+Subproject commit e89ecd4f373918570e36a054e3af0604fd9100ee
diff --git a/example/QCefViewTest/MainWindow.cpp b/example/QCefViewTest/MainWindow.cpp
index 89e57945..725f7ac6 100644
--- a/example/QCefViewTest/MainWindow.cpp
+++ b/example/QCefViewTest/MainWindow.cpp
@@ -284,22 +284,6 @@ MainWindow::onBtnNewBrowserClicked()
   w->show();
 }
 
-void
-MainWindow::closeEvent(QCloseEvent* event)
-{
-  if (m_pLeftCefViewWidget) {
-    m_pLeftCefViewWidget->deleteLater();
-    m_pLeftCefViewWidget = nullptr;
-  }
-
-  if (m_pRightCefViewWidget) {
-    m_pRightCefViewWidget->deleteLater();
-    m_pRightCefViewWidget = nullptr;
-  }
-
-  event->accept();
-}
-
 #ifndef Q_OS_MACOS
 void
 MainWindow::setupWindow()
diff --git a/example/QCefViewTest/MainWindow.h b/example/QCefViewTest/MainWindow.h
index 93e758d1..a555aee9 100644
--- a/example/QCefViewTest/MainWindow.h
+++ b/example/QCefViewTest/MainWindow.h
@@ -59,9 +59,6 @@ protected slots:
 
   void onBtnNewBrowserClicked();
 
-private:
-  void closeEvent(QCloseEvent* event) override;
-
 private:
   Ui::MainWindow m_ui;
 
diff --git a/example/QCefViewTest/index.in.html b/example/QCefViewTest/index.in.html
index ad12d8ce..e6769cfe 100644
--- a/example/QCefViewTest/index.in.html
+++ b/example/QCefViewTest/index.in.html
@@ -86,6 +86,10 @@ <h1>Dragging area</h1>
         <br />
         <a href="#" onClick="window.open('#','QCefView Popup','width=800, height=600'); return false;">Popup Browser By Script</a>
 
+        <br />
+        <a href="#" onClick="window.close();">Close Current Window</a>
+
+
         <p>An iframe with default borders:</p>
         <iframe src="/tutorial.html" width="100%" height="300"> </iframe>
     </div>
diff --git a/include/QCefView.h b/include/QCefView.h
index df632fa9..f47afe29 100644
--- a/include/QCefView.h
+++ b/include/QCefView.h
@@ -449,6 +449,12 @@ class QCEFVIEW_EXPORT QCefView : public QWidget
   /// <param name="item">The download item</param>
   virtual void onUpdateDownloadItem(const QSharedPointer<QCefDownloadItem>& item);
 
+  /// <summary>
+  /// Gets called on close request from web
+  /// </summary>
+  /// <returns>True to allow the close, false to cancel the close</returns>
+  virtual bool onRequestCloseFromWeb();
+
 #pragma region QWidget
 public slots:
   /// <summary>
diff --git a/src/QCefView.cpp b/src/QCefView.cpp
index a5cc5028..e6580937 100644
--- a/src/QCefView.cpp
+++ b/src/QCefView.cpp
@@ -22,7 +22,7 @@ QCefView::QCefView(const QString& url,
   : QWidget(parent, f)
   , d_ptr(new QCefViewPrivate(QCefContext::instance()->d_func(), this, url, setting))
 {
-  
+
   if (d_ptr->isOSRModeEnabled()) {
     // OSR mode
     setBackgroundRole(QPalette::Window);
@@ -318,12 +318,20 @@ QCefView::onUpdateDownloadItem(const QSharedPointer<QCefDownloadItem>& item)
 {
 }
 
+bool
+QCefView::onRequestCloseFromWeb()
+{
+  // delete self
+  deleteLater();
+
+  return true;
+}
+
 QVariant
 QCefView::inputMethodQuery(Qt::InputMethodQuery query) const
 {
   Q_D(const QCefView);
 
-  
   if (d->isOSRModeEnabled()) {
     // OSR mode
     auto r = d->onViewInputMethodQuery(query);
@@ -347,7 +355,6 @@ QCefView::paintEvent(QPaintEvent* event)
   // for NCW mode, this makes sure QCefView will not be treated as transparent background
   painter.fillRect(rect(), palette().color(backgroundRole()));
 
-  
   if (d->isOSRModeEnabled()) {
     // OSR mode
     // 3. paint widget with its stylesheet
diff --git a/src/details/CCefClientDelegate.cpp b/src/details/CCefClientDelegate.cpp
index 399e099e..ebbf473d 100644
--- a/src/details/CCefClientDelegate.cpp
+++ b/src/details/CCefClientDelegate.cpp
@@ -39,7 +39,7 @@ CCefClientDelegate::processQueryRequest(CefRefPtr<CefBrowser>& browser,
 
   auto browserId = browser->GetIdentifier();
   auto req = QString::fromStdString(request);
-  pCefViewPrivate_->q_ptr->cefQueryRequest(browserId, frameId, QCefQuery(req, query_id));
+  emit pCefViewPrivate_->q_ptr->cefQueryRequest(browserId, frameId, QCefQuery(req, query_id));
 }
 
 void
@@ -72,7 +72,7 @@ CCefClientDelegate::invokeMethodNotify(CefRefPtr<CefBrowser>& browser,
   }
 
   auto browserId = browser->GetIdentifier();
-  pCefViewPrivate_->q_ptr->invokeMethod(browserId, frameId, m, args);
+  emit pCefViewPrivate_->q_ptr->invokeMethod(browserId, frameId, m, args);
 }
 
 void
@@ -88,5 +88,5 @@ CCefClientDelegate::reportJSResult(CefRefPtr<CefBrowser>& browser,
   QVariant qV;
   ValueConvertor::CefValueToQVariant(&qV, result.get());
   auto c = QString::fromStdString(context);
-  pCefViewPrivate_->q_ptr->reportJavascriptResult(browserId, frameId, c, qV);
+  emit pCefViewPrivate_->q_ptr->reportJavascriptResult(browserId, frameId, c, qV);
 }
diff --git a/src/details/CCefClientDelegate.h b/src/details/CCefClientDelegate.h
index bbbab8cd..3ce7b315 100644
--- a/src/details/CCefClientDelegate.h
+++ b/src/details/CCefClientDelegate.h
@@ -144,6 +144,7 @@ class CCefClientDelegate
                              bool& disableJavascriptAccess) override;
   virtual void onAfterCreate(CefRefPtr<CefBrowser>& browser) override;
   virtual bool doClose(CefRefPtr<CefBrowser> browser) override;
+  virtual bool requestClose(CefRefPtr<CefBrowser> browser) override;
   virtual void onBeforeClose(CefRefPtr<CefBrowser> browser) override;
 
   // LoadHandler
diff --git a/src/details/CCefClientDelegate_DragHandler.cpp b/src/details/CCefClientDelegate_DragHandler.cpp
index 80f1787d..0e35d574 100644
--- a/src/details/CCefClientDelegate_DragHandler.cpp
+++ b/src/details/CCefClientDelegate_DragHandler.cpp
@@ -34,5 +34,5 @@ CCefClientDelegate::draggableRegionChanged(CefRefPtr<CefBrowser>& browser,
     }
   }
 
-  pCefViewPrivate_->q_ptr->draggableRegionChanged(draggableRegion, nonDraggableRegion);
+  emit pCefViewPrivate_->q_ptr->draggableRegionChanged(draggableRegion, nonDraggableRegion);
 }
diff --git a/src/details/CCefClientDelegate_LifeSpanHandler.cpp b/src/details/CCefClientDelegate_LifeSpanHandler.cpp
index 60db2164..0b5f8199 100644
--- a/src/details/CCefClientDelegate_LifeSpanHandler.cpp
+++ b/src/details/CCefClientDelegate_LifeSpanHandler.cpp
@@ -1,6 +1,7 @@
 #include "CCefClientDelegate.h"
 
 #include <QThread>
+#include <QDebug>
 
 #include "QCefSettingPrivate.h"
 #include "QCefViewPrivate.h"
@@ -40,6 +41,8 @@ CCefClientDelegate::onBeforePopup(CefRefPtr<CefBrowser>& browser,
   QCefSettingPrivate::CopyFromCefBrowserSettings(&s, &settings);
 
   if (targetDisposition == CefLifeSpanHandler::WindowOpenDisposition::WOD_NEW_POPUP) {
+    // the new browser was created from javascript, we need to conform the CEF pop-up browser lifecycle
+    // because CEF need to return the new browser identity to javascript context
     Qt::ConnectionType c = pCefViewPrivate_->q_ptr->thread() == QThread::currentThread() ? Qt::DirectConnection
                                                                                          : Qt::BlockingQueuedConnection;
 
@@ -61,6 +64,7 @@ CCefClientDelegate::onBeforePopup(CefRefPtr<CefBrowser>& browser,
       },
       c);
   } else {
+    // the new browser was created from non-javascript, we create a new browser instead
     cancel = true;
     QMetaObject::invokeMethod(
       pCefViewPrivate_,
@@ -122,9 +126,31 @@ CCefClientDelegate::onAfterCreate(CefRefPtr<CefBrowser>& browser)
 bool
 CCefClientDelegate::doClose(CefRefPtr<CefBrowser> browser)
 {
+  qDebug() << "destroy browser from native";
+
   return false;
 }
 
+bool
+CCefClientDelegate::requestClose(CefRefPtr<CefBrowser> browser)
+{
+  qDebug() << "destroy browser request from web";
+
+  Qt::ConnectionType c =
+    pCefViewPrivate_->q_ptr->thread() == QThread::currentThread() ? Qt::DirectConnection : Qt::BlockingQueuedConnection;
+
+  bool ignoreClose = false;
+  QMetaObject::invokeMethod(
+    pCefViewPrivate_,
+    [&]() {
+      //
+      ignoreClose = !(pCefViewPrivate_->requestCloseFromWeb(browser));
+    },
+    c);
+
+  return ignoreClose;
+}
+
 void
 CCefClientDelegate::onBeforeClose(CefRefPtr<CefBrowser> browser)
 {
diff --git a/src/details/CCefClientDelegate_LoadHandler.cpp b/src/details/CCefClientDelegate_LoadHandler.cpp
index b9a16834..333e572a 100644
--- a/src/details/CCefClientDelegate_LoadHandler.cpp
+++ b/src/details/CCefClientDelegate_LoadHandler.cpp
@@ -11,7 +11,7 @@ CCefClientDelegate::loadingStateChanged(CefRefPtr<CefBrowser>& browser,
   if (!IsValidBrowser(browser))
     return;
 
-  pCefViewPrivate_->q_ptr->loadingStateChanged(browser->GetIdentifier(), isLoading, canGoBack, canGoForward);
+  emit pCefViewPrivate_->q_ptr->loadingStateChanged(browser->GetIdentifier(), isLoading, canGoBack, canGoForward);
 }
 
 void
@@ -20,7 +20,7 @@ CCefClientDelegate::loadStart(CefRefPtr<CefBrowser>& browser, CefRefPtr<CefFrame
   if (!IsValidBrowser(browser))
     return;
 
-  pCefViewPrivate_->q_ptr->loadStart(
+  emit pCefViewPrivate_->q_ptr->loadStart(
     browser->GetIdentifier(), frame->GetIdentifier(), frame->IsMain(), transitionType);
 }
 
@@ -30,7 +30,7 @@ CCefClientDelegate::loadEnd(CefRefPtr<CefBrowser>& browser, CefRefPtr<CefFrame>&
   if (!IsValidBrowser(browser))
     return;
 
-  pCefViewPrivate_->q_ptr->loadEnd(browser->GetIdentifier(), frame->GetIdentifier(), frame->IsMain(), httpStatusCode);
+  emit pCefViewPrivate_->q_ptr->loadEnd(browser->GetIdentifier(), frame->GetIdentifier(), frame->IsMain(), httpStatusCode);
 }
 
 void
diff --git a/src/details/QCefViewPrivate.cpp b/src/details/QCefViewPrivate.cpp
index 8d2dc331..a2e8351e 100644
--- a/src/details/QCefViewPrivate.cpp
+++ b/src/details/QCefViewPrivate.cpp
@@ -131,6 +131,8 @@ QCefViewPrivate::createCefBrowser(QCefView* view, const QString& url, const QCef
 void
 QCefViewPrivate::destroyCefBrowser()
 {
+  qDebug() << "destroy browser from native";
+
   if (!pClient_)
     return;
 
@@ -226,7 +228,7 @@ QCefViewPrivate::onCefBrowserCreated(CefRefPtr<CefBrowser> browser, QWindow* win
       browser->GetHost()->CloseBrowser(true);
       return;
     }
-    
+
     // adjust size/mask and attach to cef window
     ncw.qBrowserWindow_->applyMask(q_ptr->mask());
 
@@ -323,13 +325,21 @@ QCefViewPrivate::handleLoadError(CefRefPtr<CefBrowser>& browser,
   if (q->receivers(SIGNAL(loadError(int, qint64, bool, int, const QString&, const QString&))) > 0) {
     auto msg = QString::fromStdString(errorMsg);
     auto url = QString::fromStdString(failedUrl);
-    q->loadError(browser->GetIdentifier(), frame->GetIdentifier(), frame->IsMain(), errorCode, msg, url);
+    emit q->loadError(browser->GetIdentifier(), frame->GetIdentifier(), frame->IsMain(), errorCode, msg, url);
     return true;
   }
 
   return false;
 }
 
+bool
+QCefViewPrivate::requestCloseFromWeb(CefRefPtr<CefBrowser>& browser)
+{
+  Q_Q(QCefView);
+
+  return q->onRequestCloseFromWeb();
+}
+
 void
 QCefViewPrivate::onAppFocusChanged(QWidget* old, QWidget* now)
 {
@@ -918,7 +928,7 @@ QCefViewPrivate::onViewWheelEvent(QWheelEvent* event)
 
     // angleDelta().y() provides the angle through which the common vertical mouse wheel was rotated since the previous
     // event. angleDelta().x() provides the angle through which the horizontal mouse wheel was rotated, if the mouse has
-    // a horizontal wheel; otherwise it stays at zero. 
+    // a horizontal wheel; otherwise it stays at zero.
     pCefBrowser_->GetHost()->SendMouseWheelEvent(
       e, m & Qt::ShiftModifier ? d.x() : 0, m & Qt::ShiftModifier ? d.y() : d.y());
   }
diff --git a/src/details/QCefViewPrivate.h b/src/details/QCefViewPrivate.h
index 6c79c7ff..6f333041 100644
--- a/src/details/QCefViewPrivate.h
+++ b/src/details/QCefViewPrivate.h
@@ -208,6 +208,8 @@ class QCefViewPrivate : public QObject
                        const std::string& errorMsg,
                        const std::string& failedUrl);
 
+  bool requestCloseFromWeb(CefRefPtr<CefBrowser>& browser);
+
 public slots:
   void onAppFocusChanged(QWidget* old, QWidget* now);