diff --git a/README.md b/README.md
index eff283e..883a1e0 100644
--- a/README.md
+++ b/README.md
@@ -5,18 +5,18 @@ Yii2 module for easy creating meta tags
 # Usage
 in config file:
 ```sh
+...
+'bootstrap' => ['log', 'seo'], // add seo component to application bootstrap
+...
 'components' => [
 	...
     'seo'         => [
         'class' => 'shershennm\seo\Seo',
         'controllerMapping' => [
-            'app\controllers' => 'app\seo\controllers', \\controllers for seo module
+            'app\controllers' => 'app\seo\controllers', // controller namespace for seo module
         ],
 
     ],
-    ...
-    'bootstrap' => ['log', 'seo'],
-    ...
 ]
 ```
 seo controller example:
@@ -29,21 +29,25 @@ use Yii;
 use shershennm\seo\SeoController;
 
 class SiteController extends SeoController
-{
-	public function actionIndex()
-	{
-		$this->title = 'Hello world!';
-
-		return [
-			['name' => 'keywords', 'value' => $this->getKeywords()],
-			['name' => 'description', 'value' => 'Cool page!'],
-		];
-	}
-
-	private function getKeywords()
-	{
-		return implode($this->controller->words, ', ');
-	}
+{ 
+    /**
+    * $viewParams array View Params from actionIndex in SiteController
+    **/
+    public function actionIndex($viewParams)
+    {
+        $this->title = 'Hello world!';
+        
+        return [
+            ['name' => 'keywords', 'content' => $this->getKeywords()], // params for Html::tag('meta', '', $params)
+            ['name' => 'description', 'content' => 'Cool page!'],
+        ];
+    }
+    
+    private function getKeywords()
+    {
+        // $this->controller instance of current controller
+        return implode($this->controller->words, ', ');
+    }
 
 	....
 ```
\ No newline at end of file
diff --git a/Seo.php b/Seo.php
index d00f2ca..054509f 100644
--- a/Seo.php
+++ b/Seo.php
@@ -3,130 +3,162 @@
 namespace shershennm\seo;
 
 use Yii;
+
+use yii\base\ActionEvent;
 use yii\base\Component;
+use yii\base\ViewEvent;
+
+use yii\web\Controller;
+use yii\web\View;
+
 use yii\helpers\Html;
+
 use shershennm\seo\Title;
 
 /**
-* 
-*/
+ *
+ */
 class Seo extends Component
 {
-	public
-		$controllerMapping,
-
-		$titleAppend,
-		$titlePrepend;
-
-	private
-		$_controller,
-		$_reflectionController;
-
-	public function getController()
-	{
-		if ($this->_controller === null)
-		{
-			$this->_controller = Yii::$app->controller;
-		}
-
-		return $this->_controller;
-	}
-
-	public function getReflectionController()
-	{
-		if ($this->_reflectionController === null)
-		{
-			$this->_reflectionController = $this->buildReflectionController();
-		}
-
-		return $this->_reflectionController;
-	}
-
-	
-	public function init()
-	{
-		parent::init();
-
-		if (Yii::$app->view !== null)
-		{
-			Yii::$app->view->on(yii\web\View::EVENT_BEGIN_PAGE, [$this, 'eventSetMeta']);
-		}
-	}
-
-	public function eventSetMeta()
-	{
-		if ($this->isValidController() && $this->isSeoControllerInMapping() && $this->isSeoControllerExists())
-		{
-			$seoController = Yii::createObject($this->buildSeoControllerClassName());
-			$actionMethod = $this->controller->action->actionMethod;
-
-			if (method_exists($seoController, $actionMethod))
-			{
-				$seoController->controller = $this->controller;
-
-				$meta = $seoController->$actionMethod();
-				$this->addMeta($meta);
-
-				if ($seoController->title !== null)
-				{
-					Yii::$app->view->title = $this->buildTitle($seoController->title);
-				}
-			}
-		}
-	}
-
-	private function buildTitle($title)
-	{
-		$defaults = [
-			'defaultPrepend' => $this->titlePrepend,
-			'defaultAppend' => $this->titleAppend,
-		];
-			
-		if(is_array($title)) {
-			$title = new Title(array_merge($title, $defaults));
-		}
-		else
-		{
-			$title = new Title(array_merge(['title' => $title], $defaults));
-		}
-
-		return $title->buildTitle();
-	}
-
-	private function addMeta($metaArray)
-	{
-		foreach ($metaArray as $meta) {
-			Yii::$app->view->metaTags[] = Html::tag('meta', '', $meta);
-		}
-	}
-
-	private function buildReflectionController()
-	{
-		return (new \ReflectionClass($this->controller));
-	}
-
-	private function isSeoControllerInMapping()
-	{
-		return isset($this->controllerMapping[$this->reflectionController->getNamespaceName()]);
-	}
-
-	private function isSeoControllerExists()
-	{
-		return class_exists($this->buildSeoControllerClassName());
-	}
-
-	private function isValidController()
-	{
-		return (Yii::$app->controller !== null && Yii::$app->controller->action->className() !== 'yii\web\ErrorAction');
-	}
-
-	private function buildSeoControllerClassName()
-	{
-		return sprintf('%s\%s', $this->controllerMapping[$this->reflectionController->getNamespaceName()], $this->reflectionController->getShortName());
-	}
-
-	private function buildActionFunction()
-	{
-		return sprintf('action%s', ucfirst($this->controller->action->id));
-	}
+    public
+        $controllerMapping,
+
+        $defaultTitle,
+        $titleAppend,
+        $titlePrepend;
+
+    private
+        $_reflectionController;
+
+    public function getController()
+    {
+        return Yii::$app->controller;
+    }
+
+    public function getReflectionController()
+    {
+        if ($this->_reflectionController === null)
+        {
+            $this->_reflectionController = $this->buildReflectionController();
+        }
+
+        return $this->_reflectionController;
+    }
+
+    public function init()
+    {
+        $this->initEventBranches();
+
+        parent::init();
+    }
+
+    private function initEventBranches()
+    {
+        ActionEvent::on(Controller::className(), Controller::EVENT_BEFORE_ACTION, [$this, 'eventControllerBeforeAction']);
+    }
+
+    public function eventControllerBeforeAction($event)
+    {
+        ActionEvent::off(Controller::className(), Controller::EVENT_BEFORE_ACTION, [$this, 'eventControllerBeforeAction']);
+
+        $event->sender->view->on(View::EVENT_BEFORE_RENDER, [$this, 'eventViewBeforeRender']);
+    }
+
+    public function eventViewBeforeRender($event)
+    {
+        $event->sender->off(View::EVENT_BEFORE_RENDER, [$this, 'eventViewBeforeRender']);
+
+        $this->setMeta($event);
+    }
+
+    public function setMeta($viewEvent)
+    {
+        $set = false;
+
+        if ($this->isValidController() && $this->isSeoControllerInMapping() && $this->isSeoControllerExists())
+        {
+            $set = $this->executeSeoControllerAction($viewEvent);
+        }
+
+        if ($set === false)
+        {
+            $this->addTitle($viewEvent->sender);
+        }
+    }
+
+    private function executeSeoControllerAction($viewEvent)
+    {
+        $seoController = Yii::createObject($this->buildSeoControllerClassName());
+        $actionMethod = $this->controller->action->actionMethod;
+
+        if (method_exists($seoController, $actionMethod))
+        {
+            $seoController->controller = $this->controller;
+
+            $meta = $seoController->$actionMethod($viewEvent->params);
+
+            $this->addMeta($viewEvent->sender, $meta);
+            $this->addTitle($viewEvent->sender, $seoController->title);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    private function buildTitle($title)
+    {
+        $defaults = [
+            'defaultTitle' => $this->defaultTitle,
+            'defaultPrepend' => $this->titlePrepend,
+            'defaultAppend' => $this->titleAppend,
+        ];
+
+        if(is_array($title)) {
+            $title = new Title(array_merge($title, $defaults));
+        }
+        else
+        {
+            $title = new Title(array_merge(['title' => $title], $defaults));
+        }
+
+        return $title->buildTitle();
+    }
+
+    public function addMeta($view, $metaArray)
+    {
+        foreach ($metaArray as $meta) {
+            $view->metaTags[] = Html::tag('meta', '', $meta);
+        }
+    }
+
+    public function addTitle($view, $title = null)
+    {
+        $view->title = $this->buildTitle($title);
+    }
+
+    private function buildReflectionController()
+    {
+        return (new \ReflectionClass($this->controller));
+    }
+
+    private function isSeoControllerInMapping()
+    {
+        return isset($this->controllerMapping[$this->reflectionController->getNamespaceName()]);
+    }
+
+    private function isSeoControllerExists()
+    {
+        return class_exists($this->buildSeoControllerClassName());
+    }
+
+    private function isValidController()
+    {
+        return (Yii::$app->controller !== null && Yii::$app->controller->action->className() !== 'yii\web\ErrorAction');
+    }
+
+    private function buildSeoControllerClassName()
+    {
+        return sprintf('%s\%s', $this->controllerMapping[$this->reflectionController->getNamespaceName()], $this->reflectionController->getShortName());
+    }
 }
\ No newline at end of file
diff --git a/SeoController.php b/SeoController.php
index a6cf70d..c6aca05 100644
--- a/SeoController.php
+++ b/SeoController.php
@@ -7,7 +7,13 @@
 
 abstract class SeoController extends Object
 {
-	public
-		$controller,
-		$title;
+    /**
+     * @var $title string Page <title> tag value
+     */
+	public $title;
+
+    /**
+     * @var $controller \yii\web\Controller Web Controller instance
+     */
+	public $controller;
 }
\ No newline at end of file
diff --git a/Title.php b/Title.php
index a7828aa..2fc8960 100644
--- a/Title.php
+++ b/Title.php
@@ -3,49 +3,66 @@
 namespace shershennm\seo;
 
 use Yii;
-use yii\base\Object;
 
+use yii\base\Model;
 
-class Title extends Object
+
+class Title extends Model
 {
-	public
-		$append,
-		$prepend,
-		$title,
-		$defaultPrepend,
-		$defaultAppend;
-
-	public function buildTitle()
-	{
-		return sprintf('%s%s%s', $this->getPrepend(), $this->title, $this->getAppend());
-	}
-
-	public function getPrepend()
-	{
-		if ($this->prepend === null)
-		{
-			$this->prepend = ($this->defaultPrepend === null) ? '' : $this->defaultPrepend;
-		}
-		elseif ($this->prepend === false)
-		{
-			$this->prepend = '';
-		}
-
-		return $this->prepend;
-	}
-
-	public function getAppend()
-	{
-		if ($this->append === null)
-		{
-			$this->append = ($this->defaultAppend === null) ? '' : $this->defaultAppend;
-		}
-		elseif ($this->append === false)
-		{
-			$this->append = '';
-		}
-
-		return $this->append;
-	}
+    public
+        $append,
+        $prepend,
+        $title,
+        $defaultTitle,
+        $defaultPrepend,
+        $defaultAppend;
+
+    public function buildTitle()
+    {
+        return sprintf('%s%s%s', $this->getPrepend(), $this->getTitle(), $this->getAppend());
+    }
+
+    public function getTitle()
+    {
+        if ($this->title === null)
+        {
+            if ($this->defaultTitle !== null)
+            {
+                return $this->defaultTitle;
+            }
+
+            return '';
+        }
+
+        return $this->title;
+    }
+
+    public function getPrepend()
+    {
+        if ($this->prepend === null)
+        {
+            $this->prepend = ($this->defaultPrepend === null) ? '' : $this->defaultPrepend;
+        }
+        elseif ($this->prepend === false)
+        {
+            $this->prepend = '';
+        }
+
+        return $this->prepend;
+    }
+
+    public function getAppend()
+    {
+        if ($this->append === null)
+        {
+            $this->append = ($this->defaultAppend === null) ? '' : $this->defaultAppend;
+        }
+        elseif ($this->append === false)
+        {
+            $this->append = '';
+        }
+
+        return $this->append;
+    }
 
 }
\ No newline at end of file