diff --git a/flextype/Cache.php b/flextype/Cache.php
index daad2f77..3828b44b 100755
--- a/flextype/Cache.php
+++ b/flextype/Cache.php
@@ -21,8 +21,9 @@ class Cache
      * An instance of the Cache class
      *
      * @var object
+     * @access private
      */
-    protected static $instance = null;
+    private static $instance = null;
 
     /**
      * Unique cache key
@@ -53,21 +54,25 @@ class Cache
     protected static $driver;
 
     /**
-     * Protected clone method to enforce singleton behavior.
+     * Private clone method to enforce singleton behavior.
      *
-     * @access  protected
+     * @access private
      */
-    protected function __clone()
-    {
-        // Nothing here.
-    }
+    private function __clone() { }
 
     /**
-     * Protected constructor since this is a static class.
+     * Private wakeup method to enforce singleton behavior.
      *
-     * @access  protected
+     * @access private
      */
-    protected function __construct()
+    private function __wakeup() { }
+
+    /**
+     * Private construct method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __construct()
     {
         Cache::init();
     }
@@ -296,14 +301,17 @@ class Cache
     }
 
     /**
-     * Return the Cache instance.
-     * Create it if it's not already created.
+     * Get the Cache instance.
      *
      * @access public
      * @return object
      */
-    public static function instance()
-    {
-        return !isset(self::$instance) and self::$instance = new Cache();
-    }
+     public static function getInstance()
+     {
+        if (is_null(Cache::$instance)) {
+            Cache::$instance = new self;
+        }
+
+        return Cache::$instance;
+     }
 }
diff --git a/flextype/Content.php b/flextype/Content.php
index e98e9b39..4dd2dc25 100755
--- a/flextype/Content.php
+++ b/flextype/Content.php
@@ -23,9 +23,9 @@ class Content
      * An instance of the Content class
      *
      * @var object
-     * @access protected
+     * @access private
      */
-    protected static $instance = null;
+    private static $instance = null;
 
     /**
      * Shortcode object
@@ -39,16 +39,30 @@ class Content
      * Current page data array
      *
      * @var array
-     * @access protected
+     * @access private
      */
     private static $page = [];
 
     /**
-     * Protected constructor since this is a static class.
+     * Private clone method to enforce singleton behavior.
      *
-     * @access  protected
+     * @access private
      */
-    protected function __construct()
+    private function __clone() { }
+
+    /**
+     * Private wakeup method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __wakeup() { }
+
+    /**
+     * Private construct method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __construct()
     {
         Content::init();
     }
@@ -56,10 +70,10 @@ class Content
     /**
      * Init Content
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function init() : void
+    private static function init() : void
     {
         Content::processCurrentPage();
     }
@@ -67,10 +81,10 @@ class Content
     /**
      * Process Current Page
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function processCurrentPage() : void
+    private static function processCurrentPage() : void
     {
         // Event: The page is not processed and not sent to the display.
         Event::dispatch('onCurrentPageBeforeProcessed');
@@ -382,10 +396,10 @@ class Content
     /**
      * Init Parsers
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function initParsers() : void
+    private static function initParsers() : void
     {
         // Init Shortcodes
         Content::initShortcodes();
@@ -394,10 +408,10 @@ class Content
     /**
      * Init Shortcodes
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function initShortcodes() : void
+    private static function initShortcodes() : void
     {
         // Create Shortcode Parser object
         Content::$shortcode = new ShortcodeFacade();
@@ -409,10 +423,10 @@ class Content
     /**
      * Display current page
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function displayCurrentPage() : void
+    private static function displayCurrentPage() : void
     {
         Http::setRequestHeaders('Content-Type: text/html; charset='.Registry::get('site.charset'));
         Themes::view(empty(Content::$page['template']) ? 'templates/default' : 'templates/' . Content::$page['template'])
@@ -421,14 +435,17 @@ class Content
     }
 
     /**
-     * Return the Content instance.
-     * Create it if it's not already created.
+     * Get the Content instance.
      *
      * @access public
      * @return object
      */
-    public static function instance()
-    {
-        return !isset(self::$instance) and self::$instance = new Content();
-    }
+     public static function getInstance()
+     {
+        if (is_null(Content::$instance)) {
+            Content::$instance = new self;
+        }
+
+        return Content::$instance;
+     }
 }
diff --git a/flextype/Flextype.php b/flextype/Flextype.php
index 7da7b260..3dc9320f 100755
--- a/flextype/Flextype.php
+++ b/flextype/Flextype.php
@@ -28,36 +28,40 @@ class Flextype
      * An instance of the Flextype class
      *
      * @var object
-     * @access protected
+     * @access private
      */
-    protected static $instance = null;
+    private static $instance = null;
 
     /**
-     * Protected clone method to enforce singleton behavior.
+     * Private clone method to enforce singleton behavior.
      *
-     * @access protected
+     * @access private
      */
-    protected function __clone()
-    {
-        // Nothing here.
-    }
+    private function __clone() { }
 
     /**
-     * Constructor.
+     * Private wakeup method to enforce singleton behavior.
      *
-     * @access protected
+     * @access private
      */
-    protected function __construct()
+    private function __wakeup() { }
+
+    /**
+     * Private construct method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __construct()
     {
         Flextype::init();
     }
 
     /**
-     * Init Application
+     * Init Flextype Application
      *
-     * @access protected
+     * @access private
      */
-    protected static function init() : void
+    private static function init() : void
     {
         // Turn on output buffering
         ob_start();
@@ -78,17 +82,17 @@ class Flextype
         // Start the session
         Session::start();
 
-        // Create Cache Instance
-        Cache::instance();
+        // Get Cache Instance
+        Cache::getInstance();
 
-        // Create Themes Instance
-        Themes::instance();
+        // Get Themes Instance
+        Themes::getInstance();
 
-        // Create Plugins Instance
-        Plugins::instance();
+        // Get Plugins Instance
+        Plugins::getInstance();
 
-        // Create Content Instance
-        Content::instance();
+        // Get Content Instance
+        Content::getInstance();
 
         // Flush (send) the output buffer and turn off output buffering
         ob_end_flush();
@@ -97,9 +101,9 @@ class Flextype
     /**
      * Set error handler
      *
-     * @access protected
+     * @access private
      */
-    protected static function setErrorHandler() : void
+    private static function setErrorHandler() : void
     {
         // Display Errors
         if (Registry::get('site.errors.display')) {
@@ -122,9 +126,9 @@ class Flextype
     /**
      * Set site config
      *
-     * @access protected
+     * @access private
      */
-    protected static function setSiteConfig() : void
+    private static function setSiteConfig() : void
     {
         // Set empty site item
         Registry::set('site', []);
@@ -138,14 +142,17 @@ class Flextype
     }
 
     /**
-     * Return the Flextype instance.
-     * Create it if it's not already created.
+     * Get the Flextype instance.
      *
      * @access public
      * @return object
      */
-     public static function instance()
+     public static function getInstance()
      {
-         return !isset(self::$instance) and self::$instance = new Flextype();
+        if (is_null(Flextype::$instance)) {
+            Flextype::$instance = new self;
+        }
+
+        return Flextype::$instance;
      }
 }
diff --git a/flextype/Plugins.php b/flextype/Plugins.php
index fb3186aa..41b1a4a4 100755
--- a/flextype/Plugins.php
+++ b/flextype/Plugins.php
@@ -21,8 +21,9 @@ class Plugins
      * An instance of the Cache class
      *
      * @var object
+     * @access private
      */
-    protected static $instance = null;
+    private static $instance = null;
 
     /**
      * Locales array
@@ -65,11 +66,25 @@ class Plugins
     ];
 
     /**
-     * Protected constructor since this is a static class.
+     * Private clone method to enforce singleton behavior.
      *
-     * @access  protected
+     * @access private
      */
-    protected function __construct()
+    private function __clone() { }
+
+    /**
+     * Private wakeup method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __wakeup() { }
+
+    /**
+     * Private construct method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __construct()
     {
         Plugins::init();
     }
@@ -77,10 +92,10 @@ class Plugins
     /**
      * Init Plugins
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function init() : void
+    private static function init() : void
     {
         // Plugin manifest
         $plugin_manifest = [];
@@ -158,14 +173,17 @@ class Plugins
     }
 
     /**
-     * Return the Plugins instance.
-     * Create it if it's not already created.
+     * Get the Plugins instance.
      *
      * @access public
      * @return object
      */
-    public static function instance()
-    {
-        return !isset(self::$instance) and self::$instance = new Plugins();
-    }
+     public static function getInstance()
+     {
+        if (is_null(Plugins::$instance)) {
+            Plugins::$instance = new self;
+        }
+
+        return Plugins::$instance;
+     }
 }
diff --git a/flextype/Themes.php b/flextype/Themes.php
index 227c3949..0d6c2d3f 100644
--- a/flextype/Themes.php
+++ b/flextype/Themes.php
@@ -22,14 +22,28 @@ class Themes
      *
      * @var object
      */
-    protected static $instance = null;
+    private static $instance = null;
 
     /**
-     * Protected constructor since this is a static class.
+     * Private clone method to enforce singleton behavior.
      *
-     * @access  protected
+     * @access private
      */
-    protected function __construct()
+    private function __clone() { }
+
+    /**
+     * Private wakeup method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __wakeup() { }
+
+    /**
+     * Private construct method to enforce singleton behavior.
+     *
+     * @access private
+     */
+    private function __construct()
     {
         Themes::init();
     }
@@ -37,10 +51,10 @@ class Themes
     /**
      * Init Themes
      *
-     * @access protected
+     * @access private
      * @return void
      */
-    protected static function init() : void
+    private static function init() : void
     {
         // Theme Manifest
         $theme_manifest = [];
@@ -92,14 +106,17 @@ class Themes
     }
 
     /**
-     * Return the Themes instance.
-     * Create it if it's not already created.
+     * Get the Themes instance.
      *
      * @access public
      * @return object
      */
-    public static function instance()
-    {
-        return !isset(self::$instance) and self::$instance = new Themes();
-    }
+     public static function getInstance()
+     {
+        if (is_null(Themes::$instance)) {
+            Themes::$instance = new self;
+        }
+
+        return Themes::$instance;
+     }
 }
diff --git a/index.php b/index.php
index 9df1843f..6bc924b5 100755
--- a/index.php
+++ b/index.php
@@ -38,5 +38,5 @@ version_compare($ver = PHP_VERSION, $req = FLEXTYPE_MINIMUM_PHP, '<') and exit(s
 // Register The Auto Loader
 $loader = require_once $autoload;
 
-// Init Flextype Application
-Flextype::instance();
+// Get Flextype Instance
+$flextype = Flextype::getInstance();