diff --git a/admin/class-nginx-helper-admin.php b/admin/class-nginx-helper-admin.php
index 0dffdfd..f8d873d 100644
--- a/admin/class-nginx-helper-admin.php
+++ b/admin/class-nginx-helper-admin.php
@@ -273,6 +273,7 @@ public function nginx_helper_default_settings() {
 			'purge_page_on_new_comment'             => 1,
 			'purge_page_on_deleted_comment'         => 1,
 			'purge_feeds'                           => 1,
+            'relay_client'                          => false,
 			'redis_hostname'                        => '127.0.0.1',
 			'redis_port'                            => '6379',
 			'redis_prefix'                          => 'nginx-cache:',
@@ -280,18 +281,20 @@ public function nginx_helper_default_settings() {
 			'redis_username'                        => '',
 			'redis_password'                        => '',
 			'redis_database'                        => 0,
+			'redis_timeout'                         => 5,
+			'redis_read_timeout'                    => 1.5,
 			'purge_url'                             => '',
-			'auth_enabled_by_constant'              => 0,
-			'cache_method_set_by_constant'          => 0,
-			'purge_method_set_by_constant'          => 0,
-			'redis_hostname_set_by_constant'        => 0,
-			'redis_port_set_by_constant'            => 0,
-			'redis_unix_socket_set_by_constant'     => 0,
-			'redis_prefix_set_by_constant'          => 0,
-			'redis_database_set_by_constant'        => 0,
-			'redis_username_set_by_constant'        => 0,
-			'redis_password_socket_set_by_constant' => 0,
+			'cache_method_set_by_constant'          => false,
+			'purge_method_set_by_constant'          => false,
+			'redis_hostname_set_by_constant'        => false,
+			'redis_port_set_by_constant'            => false,
+			'redis_unix_socket_set_by_constant'     => false,
+			'redis_prefix_set_by_constant'          => false,
+			'redis_database_set_by_constant'        => false,
+			'redis_username_set_by_constant'        => false,
+			'redis_password_socket_set_by_constant' => false,
 			'homepage_purge_post_type_exceptions'   => array(),
+			'post_type_purge_exceptions'            => array(),
 		);
 
 	}
@@ -317,19 +320,32 @@ public function nginx_helper_settings() {
 			$this->nginx_helper_default_settings()
 		);
 
-		if ( defined( 'RT_WP_NGINX_HELPER_HOMEPAGE_PURGE_EXCEPTIONS' ) ) {
-			$data['homepage_purge_post_type_exceptions'] = RT_WP_NGINX_HELPER_HOMEPAGE_PURGE_EXCEPTIONS;
-        }
+		if ( defined( 'GP_NGINX_HELPER_HOMEPAGE_PURGE_EXCEPTIONS' ) ) {
+			$data['homepage_purge_post_type_exceptions'] = GP_NGINX_HELPER_HOMEPAGE_PURGE_EXCEPTIONS;
+		}
+
+		if ( defined( 'GP_NGINX_HELPER_POST_TYPE_PURGE_EXCEPTIONS' ) ) {
+			$data['post_type_purge_exceptions'] = GP_NGINX_HELPER_POST_TYPE_PURGE_EXCEPTIONS;
+		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_PURGE_METHOD' ) ) {
+		if ( defined( 'GP_NGINX_HELPER_PURGE_METHOD' ) ) {
+			$data['purge_method']                        = GP_NGINX_HELPER_PURGE_METHOD;
+			$data['purge_method_set_by_constant']        = 'GP_NGINX_HELPER_PURGE_METHOD';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_PURGE_METHOD' ) ) {
 			$data['purge_method']                        = RT_WP_NGINX_HELPER_PURGE_METHOD;
-			$data['purge_method_set_by_constant']        = 1;
+			$data['purge_method_set_by_constant']          = 'RT_WP_NGINX_HELPER_PURGE_METHOD';
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_CACHE_METHOD' ) ) {
+		if ( defined( 'GP_NGINX_HELPER_CACHE_METHOD' ) ) {
+			$data['cache_method']                       = GP_NGINX_HELPER_CACHE_METHOD;
+			$data['cache_method_set_by_constant']       = 'GP_NGINX_HELPER_PURGE_METHOD';
+			if ( 'enable_fastcgi' === GP_NGINX_HELPER_CACHE_METHOD ) {
+				$data['enable_purge']              = 1;
+ 			    return $data;
+			}
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_CACHE_METHOD' ) ) {
 			$data['cache_method']                       = RT_WP_NGINX_HELPER_CACHE_METHOD;
-			$data['cache_method_set_by_constant']       = 1;
-
+			$data['cache_method_set_by_constant']       = 'RT_WP_NGINX_HELPER_PURGE_METHOD';
 			if ( 'enable_fastcgi' === RT_WP_NGINX_HELPER_CACHE_METHOD ) {
 				$data['enable_purge']              = 1;
  			    return $data;
@@ -343,43 +359,86 @@ public function nginx_helper_settings() {
 		$redis_port                                = false;
 		$redis_unix_socket                         = false;
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_PREFIX' ) ) {
+		if ( defined( 'GP_NGINX_HELPER_USE_RELAY' ) ) {
+            if (in_array( 'relay', get_loaded_extensions())) {
+	            $data['relay_client'] = GP_NGINX_HELPER_USE_RELAY;
+            }
+		}
+
+		if ( defined( 'GP_NGINX_HELPER_REDIS_PREFIX' ) ) {
+			$redis_prefix                         = GP_NGINX_HELPER_REDIS_PREFIX;
+			$data['redis_prefix_set_by_constant'] = 'GP_NGINX_HELPER_PURGE_METHOD';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_PREFIX' ) ) {
 			$redis_prefix                         = RT_WP_NGINX_HELPER_REDIS_PREFIX;
-			$data['redis_prefix']                 = $redis_prefix;
-			$data['redis_prefix_set_by_constant'] = 1;
+			$data['redis_prefix_set_by_constant'] = 'RT_WP_NGINX_HELPER_PURGE_METHOD';
+		}
+		if ( $redis_prefix ) {
+			$data['redis_prefix'] = $redis_prefix;
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_PORT' ) ) {
+		if ( defined( 'GP_NGINX_HELPER_REDIS_PORT' ) ) {
+			$redis_port                         = GP_NGINX_HELPER_REDIS_PORT;
+			$data['redis_port_set_by_constant'] = 'GP_NGINX_HELPER_PURGE_METHOD';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_PORT' ) ) {
 			$redis_port                         = RT_WP_NGINX_HELPER_REDIS_PORT;
-			$data['redis_port']                 = $redis_port;
-			$data['redis_port_set_by_constant'] = 1;
+			$data['redis_port_set_by_constant'] = 'RT_WP_NGINX_HELPER_PURGE_METHOD';
+		}
+		if ( $redis_port ) {
+			$data['redis_port'] = $redis_port;
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_HOSTNAME' ) ) {
+		if ( defined( 'GP_NGINX_HELPER_REDIS_HOSTNAME' ) ) {
+			$redis_hostname                         = GP_NGINX_HELPER_REDIS_HOSTNAME;
+			$data['redis_hostname_set_by_constant'] = 'GP_NGINX_HELPER_REDIS_HOSTNAME';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_HOSTNAME' ) ) {
 			$redis_hostname                         = RT_WP_NGINX_HELPER_REDIS_HOSTNAME;
-			$data['redis_hostname']                 = $redis_hostname;
-			$data['redis_hostname_set_by_constant'] = 1;
+			$data['redis_hostname_set_by_constant'] = 'RT_WP_NGINX_HELPER_REDIS_HOSTNAME';
+		}
+		if ( $redis_hostname ) {
+			$data['redis_hostname'] = $redis_hostname;
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_UNIX_SOCKET' ) ) {
+		if ( defined( 'GP_NGINX_HELPER_REDIS_UNIX_SOCKET' ) ) {
+			$redis_unix_socket                         = GP_NGINX_HELPER_REDIS_UNIX_SOCKET;
+			$data['redis_unix_socket_set_by_constant'] = 'GP_NGINX_HELPER_REDIS_HOSTNAME';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_UNIX_SOCKET' ) ) {
 			$redis_unix_socket                         = RT_WP_NGINX_HELPER_REDIS_UNIX_SOCKET;
-			$data['redis_unix_socket']                 = $redis_unix_socket;
-			$data['redis_unix_socket_set_by_constant'] = 1;
+			$data['redis_unix_socket_set_by_constant'] = 'RT_WP_NGINX_HELPER_REDIS_HOSTNAME';
+		}
+		if ( $redis_unix_socket ) {
+			$data['redis_unix_socket'] = $redis_unix_socket;
+		}
+
+		if ( defined( 'GP_NGINX_HELPER_REDIS_DATABASE' ) ) {
+			$data['redis_database']                 = GP_NGINX_HELPER_REDIS_DATABASE;
+			$data['redis_database_set_by_constant'] = 'GP_NGINX_HELPER_REDIS_DATABASE';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_DATABASE' ) ) {
+			$data['redis_database']                 = RT_WP_NGINX_HELPER_REDIS_DATABASE;
+			$data['redis_database_set_by_constant'] = 'RT_WP_NGINX_HELPER_REDIS_DATABASE';
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_DATABASE' ) ) {
-			$data['redis_database']           = RT_WP_NGINX_HELPER_REDIS_DATABASE;
-			$data['redis_database_set_by_constant'] = 1;
+		if ( defined( 'GP_NGINX_HELPER_REDIS_USERNAME' ) ) {
+			$data['redis_username']                 = GP_NGINX_HELPER_REDIS_USERNAME;
+			$data['redis_username_set_by_constant'] = 'GP_NGINX_HELPER_REDIS_USERNAME';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_USERNAME' ) ) {
+			$data['redis_username']                 = RT_WP_NGINX_HELPER_REDIS_USERNAME;
+			$data['redis_username_set_by_constant'] = 'RT_WP_NGINX_HELPER_REDIS_USERNAME';
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_USERNAME' ) ) {
-			$data['redis_username']           = RT_WP_NGINX_HELPER_REDIS_USERNAME;
-			$data['redis_username_set_by_constant'] = 1;
+		if ( defined( 'GP_NGINX_HELPER_REDIS_PASSWORD' ) ) {
+			$data['redis_password']                 = GP_NGINX_HELPER_REDIS_PASSWORD;
+			$data['redis_password_set_by_constant'] = 'GP_NGINX_HELPER_REDIS_PASSWORD';
+		} elseif ( defined( 'RT_WP_NGINX_HELPER_REDIS_PASSWORD' ) ) {
+			$data['redis_password']                 = RT_WP_NGINX_HELPER_REDIS_PASSWORD;
+			$data['redis_password_set_by_constant'] = 'RT_WP_NGINX_HELPER_REDIS_PASSWORD';
 		}
 
-		if ( defined( 'RT_WP_NGINX_HELPER_REDIS_PASSWORD' ) ) {
-			$data['redis_password']           = RT_WP_NGINX_HELPER_REDIS_PASSWORD;
-			$data['redis_password_set_by_constant'] = 1;
+		if ( defined( 'GP_NGINX_HELPER_REDIS_TIMEOUT' ) ) {
+			$data['redis_timeout']                  = GP_NGINX_HELPER_REDIS_TIMEOUT;
+		}
+
+		if ( defined( 'GP_NGINX_HELPER_REDIS_READ_TIMEOUT' ) ) {
+			$data['redis_read_timeout']             = GP_NGINX_HELPER_REDIS_READ_TIMEOUT;
 		}
 
 		if ( $redis_prefix && $redis_hostname && $redis_port ) {
@@ -672,19 +731,18 @@ public function update_map() {
 	 */
 	public function set_future_post_option_on_future_status( $new_status, $old_status, $post ) {
 
-		global $blog_id, $nginx_purger;
-
-		$exclude_post_types = apply_filters( 'rt_nginx_helper_exclude_post_types', array( 'nav_menu_item' ) );
+		global $blog_id, $nginx_purger, $nginx_helper_admin;
 
-		$post_type = $post->post_type;
+		$purge_exceptions   = $nginx_helper_admin->options['post_type_purge_exceptions'];
+		$purge_exceptions[] = 'nav_menu_item';
+		$exclude_post_types = apply_filters( 'rt_nginx_helper_exclude_post_types', $purge_exceptions );
+		$post_type          = $post->post_type;
 
 		if ( in_array( $post_type, $exclude_post_types, true ) ) {
-		    if ( 'nav_menu_item' !== $post_type ) {
-			    $nginx_purger->log('* * * * *');
-			    $nginx_purger->log('* Post Type update - ' . $post_type . ' - purge trigger excluded...');
-			    $nginx_purger->log('* Filter:  -> rt_nginx_helper_exclude_post_types');
-			    $nginx_purger->log('* * * * *');
-		    }
+            $nginx_purger->log('* * * * *');
+            $nginx_purger->log('* Post Type update - ' . $post_type . ' - purge trigger excluded...');
+            $nginx_purger->log('* Filter:  -> rt_nginx_helper_exclude_post_types');
+            $nginx_purger->log('* * * * *');
 			return;
 		}
 
diff --git a/admin/class-predis-purger.php b/admin/class-predis-purger.php
deleted file mode 100644
index 1f4771f..0000000
--- a/admin/class-predis-purger.php
+++ /dev/null
@@ -1,283 +0,0 @@
-<?php
-/**
- * The admin-specific functionality of the plugin.
- *
- * @package    nginx-helper
- */
-
-/**
- * Description of Predis_Purger
- *
- * @package    nginx-helper
- * @subpackage nginx-helper/admin
- * @author     rtCamp
- */
-class Predis_Purger extends Purger {
-
-	/**
-	 * Predis api object.
-	 *
-	 * @since    2.0.0
-	 * @access   public
-	 * @var      string    $redis_object    Predis api object.
-	 */
-	public $redis_object;
-
-	/**
-	 * Initialize the class and set its properties.
-	 *
-	 * @since    2.0.0
-	 */
-	public function __construct() {
-
-		global $nginx_helper_admin;
-
-		if ( ! class_exists( 'Predis\Autoloader' ) ) {
-			require_once NGINX_HELPER_BASEPATH . 'admin/predis.php';
-		}
-
-		Predis\Autoloader::register();
-
-		/*Composer sets default to version that doesn't allow modern php*/
-		$predis_connection_array = array();
-
-		$path                                =  $nginx_helper_admin->options['redis_unix_socket'];
-		$username                            =  $nginx_helper_admin->options['redis_username'];
-		$password                            =  $nginx_helper_admin->options['redis_password'];
-		$predis_connection_array['database'] = $nginx_helper_admin->options['redis_database'];
-
-		if ( $path ) {
-			$predis_connection_array['path'] = $path;
-		} else {
-			$predis_connection_array['host'] = $nginx_helper_admin->options['redis_hostname'];;
-			$predis_connection_array['port'] = $nginx_helper_admin->options['redis_port'];
-		}
-
-		if ( $username && $password ) {
-			$predis_connection_array['username'] = $username;
-			$predis_connection_array['password'] = $password;
-		}
-
-		// redis server parameter.
-		$this->redis_object = new Predis\Client( $predis_connection_array );
-
-		try {
-			$this->redis_object->connect();
-		} catch ( Exception $e ) {
-			$this->log( $e->getMessage(), 'ERROR' );
-		}
-
-	}
-
-	/**
-	 * Purge all.
-	 */
-	public function purge_all() {
-
-		global $nginx_helper_admin;
-
-		$prefix = trim( $nginx_helper_admin->options['redis_prefix'] );
-
-		$this->log( '* * * * *' );
-
-		// If Purge Cache link click from network admin then purge all.
-		if ( is_network_admin() ) {
-
-			$this->delete_keys_by_wildcard( $prefix . '*' );
-			$this->log( '* Purged Everything! * ' );
-
-		} else { // Else purge only site specific cache.
-
-			$parse         = wp_parse_url( get_home_url() );
-			$parse['path'] = empty( $parse['path'] ) ? '/' : $parse['path'];
-			$this->delete_keys_by_wildcard( $prefix . $parse['scheme'] . 'GET' . $parse['host'] . $parse['path'] . '*' );
-			$this->log( '* ' . get_home_url() . ' Purged! * ' );
-
-		}
-
-		$this->log( '* * * * *' );
-
-		/**
-		 * Fire an action after the Redis cache has been purged.
-		 *
-		 * @since 2.1.0
-		 */
-		do_action( 'rt_nginx_helper_after_redis_purge_all' );
-	}
-
-	/**
-	 * Purge url.
-	 *
-	 * @param string $url URL.
-	 * @param bool   $feed Feed or not.
-	 */
-	public function purge_url( $url, $feed = true ) {
-
-		global $nginx_helper_admin;
-
-		/**
-		 * Filters the URL to be purged.
-		 *
-		 * @since 2.1.0
-		 *
-		 * @param string $url URL to be purged.
-		 */
-		$url = apply_filters( 'rt_nginx_helper_purge_url', $url );
-
-		$this->log( '- Purging URL | ' . $url );
-
-		$parse = wp_parse_url( $url );
-
-		if ( ! isset( $parse['path'] ) ) {
-			$parse['path'] = '';
-		}
-
-		$prefix          = $nginx_helper_admin->options['redis_prefix'];
-		$_url_purge_base = $prefix . $parse['scheme'] . 'GET' . $parse['host'] . $parse['path'];
-
-		/**
-		 * To delete device type caches such as `<URL>--mobile`, `<URL>--desktop`, `<URL>--lowend`, etc.
-		 * This would need $url above to be changed with this filter `rt_nginx_helper_purge_url` by cache key that Nginx sets while generating cache.
-		 *
-		 * For example: If page is accessed from desktop, then cache will be generated by appending `--desktop` to current URL.
-		 * Add this filter in separate plugin or simply in theme's function.php file:
-		 * ```
-		 * add_filter( 'rt_nginx_helper_purge_url', function( $url ) {
-		 *      $url = $url . '--*';
-		 *      return $url;
-		 * });
-		 * ```
-		 *
-		 * Regardless of what key / suffix is being to store `$device_type` cache , it will be deleted.
-		 *
-		 * @since 2.1.0
-		 */
-		if ( strpos( $_url_purge_base, '*' ) === false ) {
-
-			$status = $this->delete_single_key( $_url_purge_base );
-
-			if ( $status ) {
-				$this->log( '- Purge URL | ' . $_url_purge_base );
-			} else {
-				$this->log( '- Cache Not Found | ' . $_url_purge_base, 'ERROR' );
-			}
-		} else {
-
-			$status = $this->delete_keys_by_wildcard( $_url_purge_base );
-
-			if ( $status ) {
-				$this->log( '- Purge Wild Card URL | ' . $_url_purge_base . ' | ' . $status . ' url purged' );
-			} else {
-				$this->log( '- Cache Not Found | ' . $_url_purge_base, 'ERROR' );
-			}
-		}
-
-	}
-
-	/**
-	 * Custom purge urls.
-	 */
-	public function custom_purge_urls() {
-
-		global $nginx_helper_admin;
-
-		$parse           = wp_parse_url( home_url() );
-		$prefix          = $nginx_helper_admin->options['redis_prefix'];
-		$_url_purge_base = $prefix . $parse['scheme'] . 'GET' . $parse['host'];
-
-		$purge_urls = isset( $nginx_helper_admin->options['purge_url'] ) && ! empty( $nginx_helper_admin->options['purge_url'] ) ?
-			explode( "\r\n", $nginx_helper_admin->options['purge_url'] ) : array();
-
-		/**
-		 * Allow plugins/themes to modify/extend urls.
-		 *
-		 * @param array $purge_urls URLs which needs to be purged.
-		 * @param bool  $wildcard   If wildcard in url is allowed or not. default true.
-		 */
-		$purge_urls = apply_filters( 'rt_nginx_helper_purge_urls', $purge_urls, true );
-
-		if ( is_array( $purge_urls ) && ! empty( $purge_urls ) ) {
-
-			foreach ( $purge_urls as $purge_url ) {
-
-				$purge_url = trim( $purge_url );
-
-				if ( strpos( $purge_url, '*' ) === false ) {
-
-					$purge_url = $_url_purge_base . $purge_url;
-					$status    = $this->delete_single_key( $purge_url );
-					if ( $status ) {
-						$this->log( '- Purge URL | ' . $purge_url );
-					} else {
-						$this->log( '- Not Found | ' . $purge_url, 'ERROR' );
-					}
-				} else {
-
-					$purge_url = $_url_purge_base . $purge_url;
-					$status    = $this->delete_keys_by_wildcard( $purge_url );
-
-					if ( $status ) {
-						$this->log( '- Purge Wild Card URL | ' . $purge_url . ' | ' . $status . ' url purged' );
-					} else {
-						$this->log( '- Not Found | ' . $purge_url, 'ERROR' );
-					}
-				}
-			}
-		}
-
-	}
-
-	/**
-	 * Single Key Delete Example
-	 * e.g. $key can be nginx-cache:httpGETexample.com/
-	 *
-	 * @param string $key Key to delete cache.
-	 *
-	 * @return mixed
-	 */
-	public function delete_single_key( $key ) {
-
-		try {
-			return $this->redis_object->executeRaw( array( 'DEL', $key ) );
-		} catch ( Exception $e ) {
-			$this->log( $e->getMessage(), 'ERROR' );
-		}
-
-	}
-
-	/**
-	 * Delete Keys by wildcard.
-	 * e.g. $key can be nginx-cache:httpGETexample.com*
-	 *
-	 * Lua Script block to delete multiple keys using wildcard
-	 * Script will return count i.e. number of keys deleted
-	 * if return value is 0, that means no matches were found
-	 *
-	 * Call redis eval and return value from lua script
-	 *
-	 * @param string $pattern Pattern.
-	 *
-	 * @return mixed
-	 */
-	public function delete_keys_by_wildcard( $pattern ) {
-
-		// Lua Script.
-		$lua = <<<LUA
-local k =  0
-for i, name in ipairs(redis.call('KEYS', KEYS[1]))
-do
-    redis.call('DEL', name)
-    k = k+1
-end
-return k
-LUA;
-
-		try {
-			return $this->redis_object->eval( $lua, 1, $pattern );
-		} catch ( Exception $e ) {
-			$this->log( $e->getMessage(), 'ERROR' );
-		}
-
-	}
-
-}
diff --git a/admin/class-purger.php b/admin/class-purger.php
index 683afd5..419a5d3 100644
--- a/admin/class-purger.php
+++ b/admin/class-purger.php
@@ -88,19 +88,18 @@ public function purge_post_on_comment_change( $newstatus, $oldstatus, $comment )
 		$_comment_id = $comment->comment_ID;
 		$_post_type  = get_post_type( $_post_id );
 
-		$exclude_post_types = apply_filters( 'rt_nginx_helper_comment_change_exclude_post_types', array() );
+		$purge_exceptions   = $nginx_helper_admin->options['post_type_purge_exceptions'];
+		$exclude_post_types = apply_filters( 'rt_nginx_helper_comment_change_exclude_post_types', $purge_exceptions );
+
+		$this->log( '* * * * *' );
 
 		if ( in_array( $_post_type, $exclude_post_types, true ) ) {
-			if ( 'nav_menu_item' !== $_post_type ) {
-				$this->log( '* * * * *' );
-				$this->log('* Post Type comment update - ' . $_post_type . ' - purge trigger excluded...');
-				$this->log('* Filter: rt_nginx_helper_comment_change_exclude_post_types');
-				$this->log( '* * * * *' );
-			}
+			$this->log('* Post Type comment update - ' . $_post_type . ' - purge trigger excluded...');
+			$this->log('* Filter: rt_nginx_helper_comment_change_exclude_post_types');
+			$this->log( '* * * * *' );
 			return;
 		}
 
-		$this->log( '* * * * *' );
 		$this->log( '* Blog :: ' . addslashes( get_bloginfo( 'name' ) ) . ' ( ' . $blog_id . ' ). ' );
 		$this->log( '* Post :: ' . get_the_title( $_post_id ) . ' ( ' . $_post_id . ' ) ' );
 		$this->log( "* Comment :: $_comment_id." );
@@ -190,13 +189,16 @@ public function purge_post( $post_id ) {
 		# [ 'post_type1', 'post_type1' ]
 		# we can also do exceptions by post/page slug too
 
+		$purge_exceptions   = $nginx_helper_admin->options['homepage_purge_post_type_exceptions'];
+		$exclude_post_types = apply_filters( 'gp_nginx_helper_post_type_comment_change_homepage_purge_exceptions', $purge_exceptions );
+
 		if ( 1 === (int) $nginx_helper_admin->options['purge_homepage_on_edit'] ) {
-			if ( ! in_array( $_post_type,  $nginx_helper_admin->options['homepage_purge_post_type_exceptions'], true ) ) {
+			if ( ! in_array( $_post_type,  $exclude_post_types, true ) ) {
 				$this->_purge_homepage();
 			} else {
 				$this->log('* * * * *');
 				$this->log('* Post Type update - ' . $_post_type . ' - homepage purge trigger excluded...');
-				$this->log('* ' . $_post_type . ' in constant array: RT_WP_NGINX_HELPER_HOMEPAGE_PURGE_EXCEPTIONS');
+				$this->log('* ' . $_post_type . ' in constant array: GP_NGINX_HELPER_HOMEPAGE_PURGE_EXCEPTIONS');
 				$this->log('* * * * *');
 			}
 		}
diff --git a/admin/class-phpredis-purger.php b/admin/class-redis-purger.php
similarity index 67%
rename from admin/class-phpredis-purger.php
rename to admin/class-redis-purger.php
index b297d6a..8764649 100644
--- a/admin/class-phpredis-purger.php
+++ b/admin/class-redis-purger.php
@@ -10,13 +10,13 @@
  */
 
 /**
- * Description of PhpRedis_Purger
+ * Description of Redis_Purger
  *
  * @package    nginx-helper
  * @subpackage nginx-helper/admin
  * @author     rtCamp
  */
-class PhpRedis_Purger extends Purger {
+class Redis_Purger extends Purger {
 
 	/**
 	 * PHP Redis api object.
@@ -27,57 +27,125 @@ class PhpRedis_Purger extends Purger {
 	 */
 	public $redis_object;
 
+	public $redis_client;
+
 	/**
 	 * Initialize the class and set its properties.
 	 *
 	 * @since    2.0.0
 	 */
-	public function __construct() {
+	public function __construct( $redis_client = 'phpredis' ) {
 
 		global $nginx_helper_admin;
 
+		$this->redis_client = $redis_client;
+
+		$connection_array = [];
+		$path             = $nginx_helper_admin->options['redis_unix_socket'];
+		$username         = $nginx_helper_admin->options['redis_username'];
+		$password         = $nginx_helper_admin->options['redis_password'];
+		$redis_database   = $nginx_helper_admin->options['redis_database'];
+
 		try {
 
-			$this->redis_object = new Redis();
+			switch ( $redis_client ) {
 
-			/*Composer sets default to version that doesn't allow modern php*/
-			$redis_connection_others_array = array();
+				case 'predis':
 
-			$path = $nginx_helper_admin->options['redis_unix_socket'];
+					if ( ! class_exists('Predis\Autoloader')) {
+						require_once NGINX_HELPER_BASEPATH . 'admin/predis.php';
+					}
 
-			if ( $path ) {
-				$host = $path;
-				$port = 0;
-			} else {
-				$host = $nginx_helper_admin->options['redis_hostname'];
-				$port = $nginx_helper_admin->options['redis_port'];
-			}
+					Predis\Autoloader::register();
 
-			$username = $nginx_helper_admin->options['redis_username'];
-			$password = $nginx_helper_admin->options['redis_password'];
+					if ($path) {
+						$connection_array['path'] = $path;
+					} else {
+						$connection_array['host'] = $nginx_helper_admin->options['redis_hostname'];;
+						$connection_array['port'] = $nginx_helper_admin->options['redis_port'];
+					}
 
-			if ( $username && $password ) {
-				$redis_connection_others_array['auth'] = [$username, $password];
-			}
+					if ($username && $password) {
+						$connection_array['username'] = $username;
+						$connection_array['password'] = $password;
+					}
+
+					$connection_array['timeout']            = $nginx_helper_admin->options['redis_timeout'];
+					$connection_array['read_write_timeout'] = $nginx_helper_admin->options['redis_read_timeout'];
+
+					$this->redis_object = new Predis\Client($connection_array);
+
+					$this->redis_object->connect();
+
+					break;
+
+				case 'relay':
+
+					$this->redis_object = new Relay\Relay;
+
+					if ($path) {
+						$host = $path;
+						$port = -1;
+					} else {
+						$host = $nginx_helper_admin->options['redis_hostname'];
+						$port = $nginx_helper_admin->options['redis_port'];
+					}
+
+					$this->redis_object->connect(
+						$host,
+						$port,
+						$nginx_helper_admin->options['redis_timeout'],
+						'',
+						300,
+						$nginx_helper_admin->options['redis_read_timeout']
+					);
+
+					if ($username && $password) {
+						$this->redis_object->auth([$username, $password]);
+					}
+
+					$this->redis_object->select($redis_database);
+
+					$this->redis_object->setOption(\Relay\Relay::OPT_USE_CACHE, false);
+
+					break;
+
+				case 'phpredis':
+
+				default:
+
+					$this->redis_object = new Redis();
+
+					if ($path) {
+						$host = $path;
+						$port = -1;
+					} else {
+						$host = $nginx_helper_admin->options['redis_hostname'];
+						$port = $nginx_helper_admin->options['redis_port'];
+					}
 
-			$this->redis_object->connect(
-				$host,
-				$port,
-				5,
-				'',
-				100,
-				1.5,
-				$redis_connection_others_array
-			);
+					if ($username && $password) {
+						$connection_array['auth'] = [$username, $password];
+					}
+
+					$this->redis_object->connect(
+						$host,
+						$port,
+						$nginx_helper_admin->options['redis_timeout'],
+						'',
+						300,
+						$nginx_helper_admin->options['redis_read_timeout'],
+						$connection_array
+					);
 
-			$redis_database = $nginx_helper_admin->options['redis_database'];
+					$this->redis_object->select($redis_database);
 
-			$this->redis_object->select($redis_database);
+					break;
+			}
 
 		} catch ( Exception $e ) {
 			$this->log( $e->getMessage(), 'ERROR' );
 		}
-
 	}
 
 	/**
@@ -242,7 +310,6 @@ public function custom_purge_urls() {
 				}
 			}
 		}
-
 	}
 
 	/**
@@ -255,12 +322,18 @@ public function custom_purge_urls() {
 	 */
 	public function delete_single_key( $key ) {
 
+		$this->log( '- Redis Client: ' . $this->redis_client );
+
 		try {
-			return $this->redis_object->del( $key );
+			if ( 'predis' === $this->redis_client ) {
+				return $this->redis_object->executeRaw( array( 'DEL', $key ) );
+			} else {
+				return $this->redis_object->del($key);
+			}
 		} catch ( Exception $e ) {
 			$this->log( $e->getMessage(), 'ERROR' );
+			return 187;
 		}
-
 	}
 
 	/**
@@ -279,6 +352,8 @@ public function delete_single_key( $key ) {
 	 */
 	public function delete_keys_by_wildcard( $pattern ) {
 
+		$this->log( '- Redis Client: ' . $this->redis_client );
+
 		// Lua Script.
 		$lua = <<<LUA
 local k =  0
@@ -294,6 +369,7 @@ public function delete_keys_by_wildcard( $pattern ) {
 			return $this->redis_object->eval( $lua, array( $pattern ), 1 );
 		} catch ( Exception $e ) {
 			$this->log( $e->getMessage(), 'ERROR' );
+			return 187;
 		}
 
 	}
diff --git a/admin/partials/nginx-helper-general-options.php b/admin/partials/nginx-helper-general-options.php
index 6d0ff5d..cfa2530 100644
--- a/admin/partials/nginx-helper-general-options.php
+++ b/admin/partials/nginx-helper-general-options.php
@@ -196,7 +196,8 @@
 					echo '<p class="description" style="margin-left:1em;">';
 					esc_html_e(
 					    sprintf(
-					        __("Set by wp-config.php constant: define( 'RT_WP_NGINX_HELPER_CACHE_METHOD',  '%s' );", 'nginx-helper'),
+					        __("Set by wp-config.php constant: define( '%s',  '%s' );", 'nginx-helper'),
+						    $cache_method_set_by_constant,
 					        $cache_method
 					    )
 					);
@@ -244,7 +245,8 @@
 						echo '<p class="description" style="margin-left:1em;"><strong>';
 						esc_html_e(
 							sprintf(
-								__("Set by wp-config.php constant: define( 'RT_WP_NGINX_HELPER_PURGE_METHOD',  '%s' );", 'nginx-helper'),
+								__("Set by wp-config.php constant: define( '%s',  '%s' );", 'nginx-helper'),
+								$purge_method_set_by_constant,
 								$purge_method
 							)
 						);
@@ -380,14 +382,23 @@
 								if ( $redis_hostname_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_HOSTNAME', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									        __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_hostname_set_by_constant
+									    )
+									);
 									echo '</p>';
-
 								}
 								if ( $redis_unix_socket_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Ignored! - UNIX socket is set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_UNIX_SOCKET', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									        __("Ignored! - UNIX socket is set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_unix_socket_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								} else {
@@ -412,14 +423,24 @@
 								if ( $redis_port_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_PORT', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									        __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_port_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								}
 								if ( $redis_unix_socket_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Ignored! - UNIX socket is set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_UNIX_SOCKET', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									         __("Ignored! - UNIX socket is set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_unix_socket_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								} else {
@@ -444,7 +465,12 @@
 								if ( $redis_unix_socket_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_UNIX_SOCKET', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									         __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_unix_socket_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								}
@@ -459,7 +485,12 @@
 								if ( $redis_prefix_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_PREFIX', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									         __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_prefix_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								}
@@ -474,7 +505,12 @@
 								if ( $redis_database_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_DATABASE', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									         __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_database_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								}
@@ -492,7 +528,12 @@
 								if ( $redis_username_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_USERNAME', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									         __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_username_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								}
@@ -510,7 +551,12 @@
 								if ( $redis_password_set_by_constant ) {
 
 									echo '<p class="description">';
-									esc_html_e( 'Set by wp-config.php constant: RT_WP_NGINX_HELPER_REDIS_PASSWORD', 'nginx-helper' );
+									esc_html_e(
+									    sprintf(
+									         __("Set by wp-config.php constant: %s", 'nginx-helper'),
+									        $redis_password_set_by_constant
+									    )
+									);
 									echo '</p>';
 
 								}
diff --git a/composer.json b/composer.json
index f215446..f0742c1 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
 		"source": "https://github.com/rtCamp/nginx-helper/"
 	},
 	"require": {
-		"php": ">=5.3.2",
+		"php": ">=5.4",
 		"composer/installers": "^1.0"
 	},
 	"require-dev": {
diff --git a/includes/class-nginx-helper.php b/includes/class-nginx-helper.php
index f96e6d0..c1d7020 100644
--- a/includes/class-nginx-helper.php
+++ b/includes/class-nginx-helper.php
@@ -173,17 +173,17 @@ private function define_admin_hooks() {
 		// Defines global variables.
 		if ( ! empty( $nginx_helper_admin->options['cache_method'] ) && 'enable_redis' === $nginx_helper_admin->options['cache_method'] ) {
 
-			if ( class_exists( 'Redis' ) ) { // Use PHP5-Redis extension if installed.
-
-				require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/class-phpredis-purger.php';
-				$nginx_purger = new PhpRedis_Purger();
-
+            if ( $nginx_helper_admin->options['relay_client'] ) {
+	            $redis_client = 'relay';
+            } elseif ( class_exists( 'Redis' ) ) {
+			    $redis_client = 'phpredis';
 			} else {
+			    $redis_client = 'predis';
+			}
 
-				require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/class-predis-purger.php';
-				$nginx_purger = new Predis_Purger();
+			require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/class-redis-purger.php';
+			$nginx_purger = new Redis_Purger( $redis_client );
 
-			}
 		} else {
 
 			require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/class-fastcgi-purger.php';