diff --git a/libraries/cms/application/site.php b/libraries/cms/application/site.php
index e35db34af8024..b4685f4f990c8 100644
--- a/libraries/cms/application/site.php
+++ b/libraries/cms/application/site.php
@@ -140,20 +140,8 @@ public function dispatch($component = null)
 		switch ($document->getType())
 		{
 			case 'html':
-				// Get language
-				$lang_code = $this->getLanguage()->getTag();
-				$languages = JLanguageHelper::getLanguages('lang_code');
-
 				// Set metadata
-				if (isset($languages[$lang_code]) && $languages[$lang_code]->metakey)
-				{
-					$document->setMetaData('keywords', $languages[$lang_code]->metakey);
-				}
-				else
-				{
-					$document->setMetaData('keywords', $this->get('MetaKeys'));
-				}
-
+				$document->setMetaData('keywords', $this->get('MetaKeys'));
 				$document->setMetaData('rights', $this->get('MetaRights'));
 
 				if ($router->getMode() == JROUTER_MODE_SEF)
@@ -322,24 +310,9 @@ public function getParams($option = null)
 			$menus = $this->getMenu();
 			$menu  = $menus->getActive();
 
-			// Get language
-			$lang_code = $this->getLanguage()->getTag();
-			$languages = JLanguageHelper::getLanguages('lang_code');
-
+			// Get site name.
 			$title = $this->get('sitename');
 
-			if (isset($languages[$lang_code]) && $languages[$lang_code]->metadesc)
-			{
-				$description = $languages[$lang_code]->metadesc;
-			}
-			else
-			{
-				$description = $this->get('MetaDesc');
-			}
-
-			$rights = $this->get('MetaRights');
-			$robots = $this->get('robots');
-
 			// Retrieve com_menu global settings
 			$temp = clone JComponentHelper::getParams('com_menus');
 
@@ -362,9 +335,9 @@ public function getParams($option = null)
 			}
 
 			$params[$hash]->def('page_title', $title);
-			$params[$hash]->def('page_description', $description);
-			$params[$hash]->def('page_rights', $rights);
-			$params[$hash]->def('robots', $robots);
+			$params[$hash]->def('page_description', $this->get('MetaDesc'));
+			$params[$hash]->def('page_rights', $this->get('MetaRights'));
+			$params[$hash]->def('robots', $this->get('robots'));
 		}
 
 		return $params[$hash];
diff --git a/libraries/joomla/language/helper.php b/libraries/joomla/language/helper.php
index c2968186fda5d..877a40c5039e6 100644
--- a/libraries/joomla/language/helper.php
+++ b/libraries/joomla/language/helper.php
@@ -378,6 +378,28 @@ public static function getContentLanguages($checkPublished = true, $checkInstall
 			$languages = array_values(array_intersect_key(ArrayHelper::pivot($languages, 'lang_code'), static::getInstalledLanguages(0)));
 		}
 
+		// If there is no installed content language fallback to english.
+		if ($languages === array())
+		{
+			$language               = new stdClass;
+			$language->lang_id      = 1;
+			$language->asset_id     = 0;
+			$language->lang_code    = 'en-GB';
+			$language->title        = 'English (en-GB)';
+			$language->title_native = 'English (United Kingdom)';
+			$language->sef          = 'en';
+			$language->image        = 'en_gb';
+			$language->description  = '';
+			$language->metakey      = '';
+			$language->metadesc     = '';
+			$language->sitename     = '';
+			$language->published    = 1;
+			$language->access       = 1;
+			$language->ordering     = 1;
+
+			$languages = array($language);
+		}
+
 		// Order the list, if needed.
 		if ($orderField !== null && $orderDirection !== null)
 		{
diff --git a/modules/mod_languages/helper.php b/modules/mod_languages/helper.php
index 303195e4dabd5..bc0a68449fcf9 100644
--- a/modules/mod_languages/helper.php
+++ b/modules/mod_languages/helper.php
@@ -32,7 +32,7 @@ public static function getList(&$params)
 	{
 		$user		= JFactory::getUser();
 		$lang		= JFactory::getLanguage();
-		$languages	= JLanguageHelper::getLanguages();
+		$languages	= JLanguageHelper::getContentLanguages(true, true, 'lang_code', 'ordering', 'ASC');
 		$app		= JFactory::getApplication();
 		$menu		= $app->getMenu();
 		$active		= $menu->getActive();
@@ -72,19 +72,13 @@ public static function getList(&$params)
 		}
 
 		$levels    = $user->getAuthorisedViewLevels();
-		$sitelangs = JLanguageHelper::getInstalledLanguages(0);
 		$multilang = JLanguageMultilang::isEnabled();
 
 		// Filter allowed languages
 		foreach ($languages as $i => &$language)
 		{
-			// Do not display language without frontend UI
-			if (!array_key_exists($language->lang_code, $sitelangs))
-			{
-				unset($languages[$i]);
-			}
 			// Do not display language without specific home menu
-			elseif (!isset($homes[$language->lang_code]))
+			if (!isset($homes[$language->lang_code]))
 			{
 				unset($languages[$i]);
 			}
diff --git a/plugins/system/languagefilter/languagefilter.php b/plugins/system/languagefilter/languagefilter.php
index dc6bfc9f463f4..7337347c034a3 100644
--- a/plugins/system/languagefilter/languagefilter.php
+++ b/plugins/system/languagefilter/languagefilter.php
@@ -95,8 +95,8 @@ public function __construct(&$subject, $config)
 		{
 			// Setup language data.
 			$this->mode_sef     = $this->app->get('sef', 0);
-			$this->sefs         = JLanguageHelper::getLanguages('sef');
-			$this->lang_codes   = JLanguageHelper::getLanguages('lang_code');
+			$this->sefs         = JLanguageHelper::getContentLanguages(true, true, 'sef');
+			$this->lang_codes   = JLanguageHelper::getContentLanguages(true, true, 'lang_code');
 			$this->default_lang = JComponentHelper::getParams('com_languages')->get('site', 'en-GB');
 
 			$levels = JFactory::getUser()->getAuthorisedViewLevels();
@@ -105,8 +105,7 @@ public function __construct(&$subject, $config)
 			{
 				// @todo: In Joomla 2.5.4 and earlier access wasn't set. Non modified Content Languages got 0 as access value
 				// we also check if frontend language exists and is enabled
-				if (($language->access && !in_array($language->access, $levels))
-					|| (!array_key_exists($language->lang_code, JLanguageHelper::getInstalledLanguages(0))))
+				if ($language->access && !in_array($language->access, $levels))
 				{
 					unset($this->lang_codes[$language->lang_code], $this->sefs[$language->sef]);
 				}
@@ -703,109 +702,128 @@ public function onAfterDispatch()
 	{
 		$doc = JFactory::getDocument();
 
-		if ($this->app->isClient('site') && $this->params->get('alternate_meta', 1) && $doc->getType() === 'html')
+		if ($this->app->isClient('site') && $doc->getType() === 'html')
 		{
-			$languages             = $this->lang_codes;
-			$homes                 = JLanguageMultilang::getSiteHomePages();
-			$menu                  = $this->app->getMenu();
-			$active                = $menu->getActive();
-			$levels                = JFactory::getUser()->getAuthorisedViewLevels();
-			$remove_default_prefix = $this->params->get('remove_default_prefix', 0);
-			$server                = JUri::getInstance()->toString(array('scheme', 'host', 'port'));
-			$is_home               = false;
-			$currentInternalUrl    = 'index.php?' . http_build_query($this->app->getRouter()->getVars());
-
-			if ($active)
+			// Set content language description and meta keys.
+			if (isset($this->lang_codes[$this->current_lang]))
 			{
-				$active_link  = JRoute::_($active->link . '&Itemid=' . $active->id);
-				$current_link = JRoute::_($currentInternalUrl);
-
-				// Load menu associations
-				if ($active_link == $current_link)
+				// Add content language meta desc.
+				if ($this->lang_codes[$this->current_lang]->metadesc)
 				{
-					$associations = MenusHelper::getAssociations($active->id);
+					$doc->setDescription($this->lang_codes[$this->current_lang]->metadesc);
 				}
 
-				// Check if we are on the home page
-				$is_home = ($active->home
-					&& ($active_link == $current_link || $active_link == $current_link . 'index.php' || $active_link . '/' == $current_link));
-			}
-
-			// Load component associations.
-			$option = $this->app->input->get('option');
-			$cName = StringHelper::ucfirst(StringHelper::str_ireplace('com_', '', $option)) . 'HelperAssociation';
-			JLoader::register($cName, JPath::clean(JPATH_COMPONENT_SITE . '/helpers/association.php'));
-
-			if (class_exists($cName) && is_callable(array($cName, 'getAssociations')))
-			{
-				$cassociations = call_user_func(array($cName, 'getAssociations'));
+				// Add content language meta keys.
+				if ($this->lang_codes[$this->current_lang]->metakey)
+				{
+					$doc->setMetaData('keywords', $this->lang_codes[$this->current_lang]->metakey);
+				}
 			}
 
-			// For each language...
-			foreach ($languages as $i => &$language)
+			// Set alternate meta tags if needed.
+			if ($this->params->get('alternate_meta', 1))
 			{
-				switch (true)
+				$languages             = $this->lang_codes;
+				$homes                 = JLanguageMultilang::getSiteHomePages();
+				$menu                  = $this->app->getMenu();
+				$active                = $menu->getActive();
+				$levels                = JFactory::getUser()->getAuthorisedViewLevels();
+				$remove_default_prefix = $this->params->get('remove_default_prefix', 0);
+				$server                = JUri::getInstance()->toString(array('scheme', 'host', 'port'));
+				$is_home               = false;
+				$currentInternalUrl    = 'index.php?' . http_build_query($this->app->getRouter()->getVars());
+
+				if ($active)
 				{
-					// Language without frontend UI || Language without specific home menu || Language without authorized access level
-					case (!array_key_exists($i, JLanguageHelper::getInstalledLanguages(0))):
-					case (!isset($homes[$i])):
-					case (isset($language->access) && $language->access && !in_array($language->access, $levels)):
-						unset($languages[$i]);
-						break;
-
-					// Home page
-					case ($is_home):
-						$language->link = JRoute::_('index.php?lang=' . $language->sef . '&Itemid=' . $homes[$i]->id);
-						break;
-
-					// Current language link
-					case ($i == $this->current_lang):
-						$language->link = JRoute::_($currentInternalUrl);
-						break;
-
-					// Component association
-					case (isset($cassociations[$i])):
-						$language->link = JRoute::_($cassociations[$i] . '&lang=' . $language->sef);
-						break;
-
-					// Menu items association
-					// Heads up! "$item = $menu" here below is an assignment, *NOT* comparison
-					case (isset($associations[$i]) && ($item = $menu->getItem($associations[$i]))):
-
-						$language->link = JRoute::_('index.php?Itemid=' . $item->id . '&lang=' . $language->sef);
-						break;
-
-					// Too bad...
-					default:
-						unset($languages[$i]);
+					$active_link  = JRoute::_($active->link . '&Itemid=' . $active->id);
+					$current_link = JRoute::_($currentInternalUrl);
+
+					// Load menu associations
+					if ($active_link == $current_link)
+					{
+						$associations = MenusHelper::getAssociations($active->id);
+					}
+
+					// Check if we are on the home page
+					$is_home = ($active->home
+						&& ($active_link == $current_link || $active_link == $current_link . 'index.php' || $active_link . '/' == $current_link));
 				}
-			}
 
-			// If there are at least 2 of them, add the rel="alternate" links to the <head>
-			if (count($languages) > 1)
-			{
-				// Remove the sef from the default language if "Remove URL Language Code" is on
-				if (isset($languages[$this->default_lang]) && $remove_default_prefix)
+				// Load component associations.
+				$option = $this->app->input->get('option');
+				$cName = StringHelper::ucfirst(StringHelper::str_ireplace('com_', '', $option)) . 'HelperAssociation';
+				JLoader::register($cName, JPath::clean(JPATH_COMPONENT_SITE . '/helpers/association.php'));
+
+				if (class_exists($cName) && is_callable(array($cName, 'getAssociations')))
 				{
-					$languages[$this->default_lang]->link
-									= preg_replace('|/' . $languages[$this->default_lang]->sef . '/|', '/', $languages[$this->default_lang]->link, 1);
+					$cassociations = call_user_func(array($cName, 'getAssociations'));
 				}
 
+				// For each language...
 				foreach ($languages as $i => &$language)
 				{
-					$doc->addHeadLink($server . $language->link, 'alternate', 'rel', array('hreflang' => $i));
+					switch (true)
+					{
+						// Language without frontend UI || Language without specific home menu || Language without authorized access level
+						case (!isset($homes[$i])):
+						case (isset($language->access) && $language->access && !in_array($language->access, $levels)):
+							unset($languages[$i]);
+							break;
+
+						// Home page
+						case ($is_home):
+							$language->link = JRoute::_('index.php?lang=' . $language->sef . '&Itemid=' . $homes[$i]->id);
+							break;
+
+						// Current language link
+						case ($i == $this->current_lang):
+							$language->link = JRoute::_($currentInternalUrl);
+							break;
+
+						// Component association
+						case (isset($cassociations[$i])):
+							$language->link = JRoute::_($cassociations[$i] . '&lang=' . $language->sef);
+							break;
+
+						// Menu items association
+						// Heads up! "$item = $menu" here below is an assignment, *NOT* comparison
+						case (isset($associations[$i]) && ($item = $menu->getItem($associations[$i]))):
+
+							$language->link = JRoute::_('index.php?Itemid=' . $item->id . '&lang=' . $language->sef);
+							break;
+
+						// Too bad...
+						default:
+							unset($languages[$i]);
+					}
 				}
 
-				// Add x-default language tag
-				if ($this->params->get('xdefault', 1))
+				// If there are at least 2 of them, add the rel="alternate" links to the <head>
+				if (count($languages) > 1)
 				{
-					$xdefault_language = $this->params->get('xdefault_language', $this->default_lang);
-					$xdefault_language = ($xdefault_language === 'default') ? $this->default_lang : $xdefault_language;
+					// Remove the sef from the default language if "Remove URL Language Code" is on
+					if (isset($languages[$this->default_lang]) && $remove_default_prefix)
+					{
+						$languages[$this->default_lang]->link
+										= preg_replace('|/' . $languages[$this->default_lang]->sef . '/|', '/', $languages[$this->default_lang]->link, 1);
+					}
 
-					if (isset($languages[$xdefault_language]))
+					foreach ($languages as $i => &$language)
 					{
-						// Use a custom tag because addHeadLink is limited to one URI per tag
-						$doc->addCustomTag('<link href="' . $server . $languages[$xdefault_language]->link . '" rel="alternate" hreflang="x-default" />');
+						$doc->addHeadLink($server . $language->link, 'alternate', 'rel', array('hreflang' => $i));
+					}
+
+					// Add x-default language tag
+					if ($this->params->get('xdefault', 1))
+					{
+						$xdefault_language = $this->params->get('xdefault_language', $this->default_lang);
+						$xdefault_language = ($xdefault_language === 'default') ? $this->default_lang : $xdefault_language;
+
+						if (isset($languages[$xdefault_language]))
+						{
+							// Use a custom tag because addHeadLink is limited to one URI per tag
+							$doc->addCustomTag('<link href="' . $server . $languages[$xdefault_language]->link . '" rel="alternate" hreflang="x-default" />');
+						}
 					}
 				}
 			}