diff --git a/admin/config.xml b/admin/config.xml
index fcffd17..4b05b7d 100644
--- a/admin/config.xml
+++ b/admin/config.xml
@@ -37,6 +37,7 @@
                     label="COM_DD_GMAPS_LOCATIONS_COMPONENT_MARK_AS_NEW_SELECTION_LABEL"
                     description="COM_DD_GMAPS_LOCATIONS_COMPONENT_MARK_AS_NEW_SELECTION_DESC"
             >
+                <option value="0">JNO</option>
                 <option value="30">COM_DD_GMAPS_LOCATIONS_COMPONENT_MARK_AS_NEW_DEFAULT_THIRTYDAYS</option>
             </field>
 
diff --git a/admin/language/de-DE/de-DE.com_dd_gmaps_locations.sys.ini b/admin/language/de-DE/de-DE.com_dd_gmaps_locations.sys.ini
index 5760366..4eac12f 100644
--- a/admin/language/de-DE/de-DE.com_dd_gmaps_locations.sys.ini
+++ b/admin/language/de-DE/de-DE.com_dd_gmaps_locations.sys.ini
@@ -65,6 +65,8 @@ COM_DD_GMAPS_LOCATIONS_HEADING_LOCATION="Adressee"
 COM_DD_GMAPS_LOCATIONS_HEADING_ZIP="PLZ"
 COM_DD_GMAPS_LOCATIONS_HEADING_COUNTRY="Land"
 
+COM_DD_GMAPS_LOCATIONS_CATEGORIES_VIEW_DEFAULT_OPTIONS="Kategorien"
+COM_DD_GMAPS_LOCATIONS_CATEGORIES_VIEW_DEFAULT_DESC="Zeige Kategorien"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_TITLE="Zeigt Standorte an"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_DESC="Zeigt Standorte an"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_OPTION="Default"
diff --git a/admin/language/en-GB/en-GB.com_dd_gmaps_locations.sys.ini b/admin/language/en-GB/en-GB.com_dd_gmaps_locations.sys.ini
index 71e3eba..5960718 100644
--- a/admin/language/en-GB/en-GB.com_dd_gmaps_locations.sys.ini
+++ b/admin/language/en-GB/en-GB.com_dd_gmaps_locations.sys.ini
@@ -65,6 +65,8 @@ COM_DD_GMAPS_LOCATIONS_HEADING_LOCATION="Addresse"
 COM_DD_GMAPS_LOCATIONS_HEADING_ZIP="ZIP"
 COM_DD_GMAPS_LOCATIONS_HEADING_COUNTRY="Country"
 
+COM_DD_GMAPS_LOCATIONS_CATEGORIES_VIEW_DEFAULT_OPTIONS="Categories"
+COM_DD_GMAPS_LOCATIONS_CATEGORIES_VIEW_DEFAULT_DESC="Shows Categories"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_TITLE="Shows Locations"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_DESC="Shows Locations"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_OPTION="Default"
diff --git a/admin/language/ru-RU/ru-RU.com_dd_gmaps_locations.sys.ini b/admin/language/ru-RU/ru-RU.com_dd_gmaps_locations.sys.ini
index 0244d93..84018cd 100644
--- a/admin/language/ru-RU/ru-RU.com_dd_gmaps_locations.sys.ini
+++ b/admin/language/ru-RU/ru-RU.com_dd_gmaps_locations.sys.ini
@@ -66,6 +66,9 @@ COM_DD_GMAPS_LOCATIONS_HEADING_LOCATION="Адрес"
 COM_DD_GMAPS_LOCATIONS_HEADING_ZIP="Почтовый индекс"
 COM_DD_GMAPS_LOCATIONS_HEADING_COUNTRY="Страна"
 
+; todo: translate
+COM_DD_GMAPS_LOCATIONS_CATEGORIES_VIEW_DEFAULT_OPTIONS="Categories"
+COM_DD_GMAPS_LOCATIONS_CATEGORIES_VIEW_DEFAULT_DESC="Shows Categories"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_TITLE="Показывает географические положения"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_DESC="Показывает географические положения"
 COM_DD_GMAPS_LOCATIONS_LOCATIONS_VIEW_DEFAULT_OPTION="По умолчанию"
diff --git a/admin/views/location/tmpl/edit.php b/admin/views/location/tmpl/edit.php
index 1c2bf95..b42d49d 100644
--- a/admin/views/location/tmpl/edit.php
+++ b/admin/views/location/tmpl/edit.php
@@ -302,7 +302,7 @@ class="btn btn-small btn-danger"
                             <?php echo JText::_('COM_DD_GMAPS_LOCATIONS_FIELD_EXT_C_ID_NOTE'); ?>
                         </div>
 
-                        <p><a href="javascript:void(0)"
+                        <p><a href="javascript:void(0)" rel="nofollow"
                               class="btn btn-small btn-danger"
                               id="extcclear"><?php echo JText::_('COM_DD_GMAPS_LOCATIONS_FIELD_EXT_C_ID_UNSET')?>
                             </a>
diff --git a/admin/views/locations/tmpl/modal.php b/admin/views/locations/tmpl/modal.php
index b9a797a..2590b1c 100644
--- a/admin/views/locations/tmpl/modal.php
+++ b/admin/views/locations/tmpl/modal.php
@@ -109,7 +109,7 @@
 		                            . ' data-title="' . $this->escape(addslashes($item->title)) . '"'
 		                            . ' data-uri="' . $this->escape('index.php?option=com_dd_gmaps_locations&view=profile&id=' . (int) $item->id) . '"'
 	                            ?>
-                                <a class="select-link" href="javascript:void(0)" <?php echo $attribs; ?>>
+                                <a class="select-link" href="javascript:void(0)" rel="nofollow" <?php echo $attribs; ?>>
 		                            <?php echo $this->escape($item->title); ?>
                                 </a>
                             </td>
diff --git a/site/models/categories.php b/site/models/categories.php
new file mode 100644
index 0000000..85cf070
--- /dev/null
+++ b/site/models/categories.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * @package    DD_GMaps_Locations
+ *
+ * @author     HR IT-Solutions Florian Häusler <info@hr-it-solutions.com>
+ * @copyright  Copyright (C) 2011 - 2018 Didldu e.K. | HR IT-Solutions
+ * @license    http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
+ **/
+
+defined('_JEXEC') or die;
+
+class DD_GMaps_LocationsModelCategories extends JModelList
+{
+
+	/**
+	 * populateState
+	 *
+	 * @param   string  $ordering   An optional ordering field.
+	 * @param   string  $direction  An optional direction (asc|desc).
+	 *
+	 * @return  void
+	 *
+	 * @since Version 1.1.1.8
+	 */
+	protected function populateState($ordering = null, $direction = null, $listlimit = true)
+	{
+		parent::populateState($ordering, $direction);
+
+		$catid = (int) JFactory::getApplication()->input->get('catid');
+
+		// Category
+		if ($catid)
+		{
+			$this->setState('dd_filter.catid', $catid);
+		}
+	}
+
+	/**
+	 * getListQuery
+	 *
+	 * @since Version 1.1.1.8
+	 *
+	 * @return JDatabaseQuery
+	 */
+	public function getListQuery()
+	{
+		$db    = $this->getDbo();
+		$query = $db->getQuery(true);
+
+		$catid  = (int) $this->getState('dd_filter.catid');
+
+		$select = $db->qn(array('c.id', 'c.title', 'c.description', 'c.params'));
+
+		$query->select($select);
+
+		$query->from($db->qn('#__categories', 'c'))
+			->join('INNER', $db->qn('#__categories', 'cc') . ' ON ' . $db->qn('c.parent_id') . ' = ' . $db->qn('cc.id'))
+			->where($db->qn('c.parent_id') . ' != 1')
+			->where($db->qn('cc.id') . ' = ' . $db->q($catid))
+			->where($db->qn('c.published') . '= 1 OR' . ($db->qn('c.id') . ' = ' . $db->q($catid)));
+
+		$db->setQuery($query);
+
+		return $query;
+	}
+}
diff --git a/site/models/profile.php b/site/models/profile.php
index 8be9af6..630a028 100644
--- a/site/models/profile.php
+++ b/site/models/profile.php
@@ -41,6 +41,7 @@ public function getItem($id = null)
 			array(
 				'a.id',
 				'a.title',
+				'a.alias',
 				'a.catid',
 				'a.state',
 				'a.profileimage',
diff --git a/site/router.php b/site/router.php
index 43f555e..45fcea3 100644
--- a/site/router.php
+++ b/site/router.php
@@ -92,7 +92,8 @@ public function preprocess($query)
 
 		$allowed_views = array(
 			'locations',
-			'profile'
+			'profile',
+			'categories'
 		);
 
 		if (!isset($query['view']) || !in_array($query['view'], $allowed_views))
diff --git a/site/views/categories/tmpl/default.php b/site/views/categories/tmpl/default.php
new file mode 100644
index 0000000..d44b1b6
--- /dev/null
+++ b/site/views/categories/tmpl/default.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ * @package    DD_GMaps_Locations
+ *
+ * @author     HR IT-Solutions Florian Häusler <info@hr-it-solutions.com>
+ * @copyright  Copyright (C) 2011 - 2018 Didldu e.K. | HR IT-Solutions
+ * @license    http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
+ **/
+
+defined('_JEXEC') or die;
+?>
+<div class="dd_gmaps_locations categories well">
+<div class="row-fluid">
+	<?php foreach ($this->items as $i => $item): ?>
+	<?php if ($i % 3 == 0){ echo '</div><div class="row-fluid">'; } ?>
+    <div class="span4 category well">
+        <h5><?php echo $this->escape($item->title); ?></h5>
+        <img src="<?php echo json_decode($item->params)->image; ?>" alt="<?php echo json_decode($item->params)->image_alt; ?>">
+        <hr>
+        <div class="category-desc">
+            <?php echo $item->description; ?>
+        </div>
+        <form name="categories_<?php echo $item->id; ?>" action="<?php echo JRoute::_('index.php?option=com_dd_gmaps_locations&view=locations'); ?>" method="post" role="search">
+            <input type="hidden" name="category_filter" value="<?php echo $item->id; ?>">
+            <button class="btn" type="submit"><?php echo $this->escape($item->title); ?></button>
+        </form>
+    </div>
+<?php endforeach;?>
+</div>
+</div>
diff --git a/site/views/categories/tmpl/default.xml b/site/views/categories/tmpl/default.xml
new file mode 100644
index 0000000..a6e120f
--- /dev/null
+++ b/site/views/categories/tmpl/default.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<metadata>
+    <layout title="Categories" option="com_dd_gmaps_locations_categories_view_default_options">
+        <message>
+            <![CDATA[com_dd_gmaps_locations_categories_view_default_desc]]>
+        </message>
+    </layout>
+
+    <!-- Add fields to the request variables for the layout. -->
+    <fields name="request">
+        <fieldset name="request">
+
+            <field name="catid" type="category"
+                   description="JGLOBAL_FIELD_CATEGORIES_CHOOSE_CATEGORY_DESC"
+                   extension="com_dd_gmaps_locations"
+                   label="JGLOBAL_FIELD_CATEGORIES_CHOOSE_CATEGORY_LABEL"
+            >
+                <option value="">JOPTION_SELECT_CATEGORY</option>
+            </field>
+
+        </fieldset>
+    </fields>
+</metadata>
\ No newline at end of file
diff --git a/site/views/categories/view.html.php b/site/views/categories/view.html.php
new file mode 100644
index 0000000..d5bbe6d
--- /dev/null
+++ b/site/views/categories/view.html.php
@@ -0,0 +1,73 @@
+<?php
+/**
+ * @package    DD_GMaps_Locations
+ *
+ * @author     HR IT-Solutions Florian Häusler <info@hr-it-solutions.com>
+ * @copyright  Copyright (C) 2011 - 2018 Didldu e.K. | HR IT-Solutions
+ * @license    http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
+ **/
+
+defined('_JEXEC') or die;
+
+class DD_GMaps_LocationsViewCategories extends JViewLegacy
+{
+	protected $app;
+
+	protected $items;
+
+	protected $params;
+
+	/**
+	 * Execute and display a template script.
+	 *
+	 * @param   string  $tpl  The name of the template file to parse
+	 *
+	 * @return boolean | mixed
+	 *
+	 * @since Version 1.1.0.0
+	 * @throws  Exception
+	 */
+	public function display($tpl = null)
+	{
+		$this->app = JFactory::getApplication();
+
+		$this->items = $this->get('Items');
+
+		$this->params = $this->app->getParams();
+
+		// Active menu
+		$activeMenu = $this->app->getMenu()->getItem($this->app->getMenu()->getActive()->id);
+
+		if (method_exists($activeMenu, 'getParams')) // Joomla 3.7.xx
+		{
+			// Active menu params
+			$activeMenuParams   = $activeMenu->getParams();
+
+			// Get meta data from menu
+			$metadesc = $activeMenuParams->get('menu-meta_description');
+			$metakey  = $activeMenuParams->get('menu-meta_keywords');
+			$robots = $activeMenuParams->get('robots');
+		}
+		else // Joomla 3.5.xx
+		{
+			// Get meta data from menu
+			$metadesc = $activeMenu->{'menu-meta_description'};
+			$metakey  = $activeMenu->{'menu-meta_keywords'};
+			$robots = $activeMenu->robots;
+		}
+
+		// Set meta data haeder from menu : default from item
+		$doc = JFactory::getDocument();
+		$doc->setMetaData('description', $metadesc);
+		$doc->setMetaData('keywords', $metakey);
+		$doc->setMetaData('robots', $robots);
+
+		// Check for errors.
+		if (count($errors = $this->get('Errors')))
+		{
+			throw new Exception(implode("\n", $errors), 500);
+		}
+
+		return parent::display($tpl);
+	}
+}
diff --git a/site/views/locations/tmpl/default_items.php b/site/views/locations/tmpl/default_items.php
index ca37a5a..617f81c 100644
--- a/site/views/locations/tmpl/default_items.php
+++ b/site/views/locations/tmpl/default_items.php
@@ -45,7 +45,7 @@
 		<?php endif; ?>
 		<?php // Mark as new
 		$mark_as_new = (int) $params->get('mark_as_new', 0);
-		if( strtotime("-$mark_as_new days") < strtotime($item->created)):?>
+		if($mark_as_new AND strtotime("-$mark_as_new days") < strtotime($item->created)):?>
             <span class="label new"><?php echo JText::_('COM_DD_GMAPS_LOCATIONS_NEW'); ?></span>
 		<?php endif; ?>
 		<?php // Featured
@@ -105,7 +105,7 @@
             <div class="page-header map_bar">
 	            <?php // Show on map button
 	            if($params->get('show_on_map')):?>
-                <a class="showOnMap" data-showonmap_action="<?php echo $params->get('show_on_map_action') ?>" id="showID<?php echo $i; ?>" href="javascript:void(0)">
+                <a class="showOnMap" data-showonmap_action="<?php echo $params->get('show_on_map_action') ?>" id="showID<?php echo $i; ?>" href="javascript:void(0)" rel="nofollow" >
 					<?php echo JText::_('COM_DD_GMAPS_LOCATIONS_SHOW_ON_MAP'); ?>
                 </a>
 	            <?php endif; ?>
diff --git a/site/views/profile/tmpl/default.php b/site/views/profile/tmpl/default.php
index 82acd3d..e0f13dc 100644
--- a/site/views/profile/tmpl/default.php
+++ b/site/views/profile/tmpl/default.php
@@ -30,7 +30,7 @@
 				<?php endif; ?>
                 <?php // Mark as new
                 $mark_as_new = (int) $this->params->get('mark_as_new', 0);
-                if( strtotime("-$mark_as_new days") < strtotime($this->item->created)):?>
+                if($mark_as_new AND strtotime("-$mark_as_new days") < strtotime($this->item->created)):?>
 				<span class="label new"><?php echo JText::_('COM_DD_GMAPS_LOCATIONS_NEW'); ?></span>
                 <?php endif; ?>
                 <?php // Featured