--- a/mobile/android/base/java/org/mozilla/gecko/customtabs/CustomTabsActivity.java
+++ b/mobile/android/base/java/org/mozilla/gecko/customtabs/CustomTabsActivity.java
@@ -25,16 +25,17 @@ import android.support.v7.widget.Toolbar
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup.LayoutParams;
 import android.widget.ImageButton;
+import android.widget.ProgressBar;
 
 import org.mozilla.gecko.GeckoApp;
 import org.mozilla.gecko.R;
 import org.mozilla.gecko.Tab;
 import org.mozilla.gecko.Tabs;
 import org.mozilla.gecko.menu.GeckoMenu;
 import org.mozilla.gecko.menu.GeckoMenuInflater;
 import org.mozilla.gecko.util.ColorUtil;
@@ -49,16 +50,17 @@ public class CustomTabsActivity extends 
     private static final String SAVED_TOOLBAR_COLOR = "SavedToolbarColor";
 
     @ColorInt
     private static final int DEFAULT_ACTION_BAR_COLOR = 0xFF363b40; // default color to match design
 
     private final SparseArrayCompat<PendingIntent> menuItemsIntent = new SparseArrayCompat<>();
     private GeckoPopupMenu popupMenu;
     private ActionBarPresenter actionBarPresenter;
+    private ProgressBar mProgressView;
     // A state to indicate whether this activity is finishing with customize animation
     private boolean usingCustomAnimation = false;
 
     @ColorInt
     private int toolbarColor = DEFAULT_ACTION_BAR_COLOR;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -70,16 +72,17 @@ public class CustomTabsActivity extends 
             toolbarColor = getIntent().getIntExtra(EXTRA_TOOLBAR_COLOR, DEFAULT_ACTION_BAR_COLOR);
         }
 
         // Translucent color does not make sense for toolbar color. Ensure it is 0xFF.
         toolbarColor = 0xFF000000 | toolbarColor;
 
         setThemeFromToolbarColor();
 
+        mProgressView = (ProgressBar) findViewById(R.id.page_progress);
         final Toolbar toolbar = (Toolbar) findViewById(R.id.actionbar);
         setSupportActionBar(toolbar);
         final ActionBar actionBar = getSupportActionBar();
         bindNavigationCallback(toolbar);
 
         actionBarPresenter = new ActionBarPresenter(actionBar);
         actionBarPresenter.displayUrlOnly(getIntent().getDataString());
         actionBarPresenter.setBackgroundColor(toolbarColor, getWindow());
@@ -145,16 +148,27 @@ public class CustomTabsActivity extends 
     }
 
     @Override
     public void onTabChanged(Tab tab, Tabs.TabEvents msg, String data) {
         if (!Tabs.getInstance().isSelectedTab(tab)) {
             return;
         }
 
+        if (msg == Tabs.TabEvents.START
+                || msg == Tabs.TabEvents.STOP
+                || msg == Tabs.TabEvents.ADDED
+                || msg == Tabs.TabEvents.LOAD_ERROR
+                || msg == Tabs.TabEvents.LOADED
+                || msg == Tabs.TabEvents.LOCATION_CHANGE) {
+
+            updateProgress((tab.getState() == Tab.STATE_LOADING),
+                    tab.getLoadProgress());
+        }
+
         if (msg == Tabs.TabEvents.LOCATION_CHANGE
                 || msg == Tabs.TabEvents.SECURITY_CHANGE
                 || msg == Tabs.TabEvents.TITLE) {
             actionBarPresenter.update(tab);
         }
 
         updateMenuItemForward();
     }
@@ -358,16 +372,31 @@ public class CustomTabsActivity extends 
         }
 
         final MenuItem forwardMenuItem = popupMenu.getMenu().findItem(R.id.custom_tabs_menu_forward);
         final Tab tab = Tabs.getInstance().getSelectedTab();
         final boolean enabled = (tab != null && tab.canDoForward());
         forwardMenuItem.setEnabled(enabled);
     }
 
+    /**
+     * Update loading progress of current page
+     *
+     * @param isLoading to indicate whether ProgressBar should be visible or not
+     * @param progress  value of loading progress in percent, should be 0 - 100.
+     */
+    private void updateProgress(final boolean isLoading, final int progress) {
+        if (isLoading) {
+            mProgressView.setVisibility(View.VISIBLE);
+            mProgressView.setProgress(progress);
+        } else {
+            mProgressView.setVisibility(View.GONE);
+        }
+    }
+
     private void onReloadClicked() {
         final Tab tab = Tabs.getInstance().getSelectedTab();
         if (tab != null) {
             tab.doReload(true);
         }
     }
 
     private void onForwardClicked() {

--- a/mobile/android/base/resources/layout/customtabs_activity.xml
+++ b/mobile/android/base/resources/layout/customtabs_activity.xml
@@ -1,16 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
 <RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/root_layout"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <!--
         This layout is quite complex because GeckoApp accesses all view groups
         in this tree. In a perfect world this should just include a GeckoView.
@@ -42,9 +43,19 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:scrollbars="none"/>
 
         </RelativeLayout>
 
     </view>
 
+    <ProgressBar
+        android:id="@id/page_progress"
+        style="@style/Base.Widget.AppCompat.ProgressBar.Horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="4dp"
+        android:layout_alignTop="@id/main_layout"
+        android:background="@drawable/url_bar_bg"
+        android:progressDrawable="@drawable/progressbar"
+        tools:progress="70"/>
+
 </RelativeLayout>
\ No newline at end of file