diff --git a/Gruntfile.js b/Gruntfile.js
index b7da2dd889..2fbc6ce5f8 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -80,6 +80,7 @@ module.exports = function (grunt) {
         'client/src/theme-manager.js',
         'client/src/session-storage.js',
         'client/src/view-helper.js',
+        'client/src/page-title.js',
 
         'client/src/app.js'
     ];
diff --git a/application/Espo/Core/defaults/config.php b/application/Espo/Core/defaults/config.php
index 460a1b72c5..14f07d1913 100644
--- a/application/Espo/Core/defaults/config.php
+++ b/application/Espo/Core/defaults/config.php
@@ -181,5 +181,6 @@ return [
     'useWebSocket' => false,
     'auth2FAMethodList' => ['Totp'],
     'personNameFormat' => 'firstLast',
+    'newNotificationCountInTitle' => false,
     'isInstalled' => false,
 ];
diff --git a/application/Espo/Resources/i18n/en_US/Settings.json b/application/Espo/Resources/i18n/en_US/Settings.json
index 11d277e70f..48fa420b39 100644
--- a/application/Espo/Resources/i18n/en_US/Settings.json
+++ b/application/Espo/Resources/i18n/en_US/Settings.json
@@ -85,6 +85,7 @@
         "addressFormat": "Address Format",
         "personNameFormat": "Person Name Format",
         "notificationSoundsDisabled": "Disable Notification Sounds",
+        "newNotificationCountInTitle": "Display new notification number in page title",
         "applicationName": "Application Name",
         "calendarEntityList": "Calendar Entity List",
         "mentionEmailNotifications": "Send email notifications about mentions in posts",
diff --git a/application/Espo/Resources/layouts/Settings/notifications.json b/application/Espo/Resources/layouts/Settings/notifications.json
index b029926759..e46e3639d7 100644
--- a/application/Espo/Resources/layouts/Settings/notifications.json
+++ b/application/Espo/Resources/layouts/Settings/notifications.json
@@ -2,7 +2,8 @@
     {
         "label": "In-app Notifications",
         "rows": [
-            [{"name": "assignmentNotificationsEntityList"}, false]
+            [{"name": "assignmentNotificationsEntityList"}, false],
+            [{"name": "newNotificationCountInTitle"}, false]
         ]
     },
     {
diff --git a/application/Espo/Resources/metadata/entityDefs/Settings.json b/application/Espo/Resources/metadata/entityDefs/Settings.json
index 88e0c9f7c3..33fc1f2962 100644
--- a/application/Espo/Resources/metadata/entityDefs/Settings.json
+++ b/application/Espo/Resources/metadata/entityDefs/Settings.json
@@ -359,6 +359,9 @@
             "type": "multiEnum",
             "options": ["Post", "Status", "EmailReceived"]
         },
+        "newNotificationCountInTitle": {
+            "type": "bool"
+        },
         "b2cMode": {
             "type": "bool",
             "default": false,
diff --git a/client/src/app.js b/client/src/app.js
index a0de9c7fd5..44e60b9cff 100644
--- a/client/src/app.js
+++ b/client/src/app.js
@@ -54,6 +54,7 @@ define(
         'web-socket-manager',
         'ajax',
         'number',
+        'page-title',
     ],
     function (
         Ui,
@@ -79,7 +80,8 @@ define(
         ViewHelper,
         WebSocketManager,
         Ajax,
-        NumberUtil
+        NumberUtil,
+        PageTitle
     ) {
 
     var App = function (options, callback) {
@@ -420,6 +422,7 @@ define(
             helper.appParams = this.appParams;
             helper.webSocketManager = this.webSocketManager;
             helper.numberUtil = this.numberUtil;
+            helper.pageTitle = new PageTitle(this.settings);
 
             this.viewLoader = function (viewName, callback) {
                 Espo.require(Espo.Utils.composeViewClassName(viewName), callback);
diff --git a/client/src/page-title.js b/client/src/page-title.js
new file mode 100644
index 0000000000..8a96018166
--- /dev/null
+++ b/client/src/page-title.js
@@ -0,0 +1,67 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in  the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+define('page-title', [], function () {
+
+    var PageTitle = function (config) {
+        this.displayNotificationNumber = config.get('newNotificationCountInTitle') || false;
+
+        this.title = $('head title').text() || '';
+
+        this.notificationNumber = 0;
+    };
+
+    _.extend(PageTitle.prototype, {
+        setTitle: function (title) {
+            this.title = title;
+            this.update();
+        },
+
+        setNotificationNumber: function (notificationNumber) {
+            this.notificationNumber = notificationNumber;
+            if (this.displayNotificationNumber) {
+                this.update();
+            }
+        },
+
+        update: function () {
+            var value = '';
+            if (this.displayNotificationNumber && this.notificationNumber) {
+                value = '(' + this.notificationNumber.toString() + ')';
+                if (this.title) value += ' ';
+            }
+
+            value += this.title;
+
+            $('head title').text(value)
+        },
+
+    });
+
+    return PageTitle;
+});
diff --git a/client/src/view.js b/client/src/view.js
index f827317835..24d7fe9df7 100644
--- a/client/src/view.js
+++ b/client/src/view.js
@@ -167,7 +167,7 @@ define('view', [], function () {
         },
 
         setPageTitle: function (title) {
-            $('head title').text(title);
+            this.getHelper().pageTitle.setTitle(title);
         },
 
         translate: function (label, category, scope) {
diff --git a/client/src/views/notification/badge.js b/client/src/views/notification/badge.js
index 22436a33bd..4e4bc3f43d 100644
--- a/client/src/views/notification/badge.js
+++ b/client/src/views/notification/badge.js
@@ -129,11 +129,15 @@ define('views/notification/badge', 'view', function (Dep) {
             this.$badge.attr('title', this.translate('New notifications') + ': ' + count);
 
             this.$number.removeClass('hidden').html(count.toString());
+
+            this.getHelper().pageTitle.setNotificationNumber(count);
         },
 
         hideNotRead: function () {
             this.$badge.attr('title', this.translate('Notifications'));
             this.$number.addClass('hidden').html('');
+
+            this.getHelper().pageTitle.setNotificationNumber(0);
         },
 
         checkBypass: function () {