diff --git a/src/PhpJsonLogger/Logger.php b/src/PhpJsonLogger/Logger.php
index 5649591..b8cce0f 100644
--- a/src/PhpJsonLogger/Logger.php
+++ b/src/PhpJsonLogger/Logger.php
@@ -5,6 +5,7 @@
 use Monolog\Handler\SlackHandler;
 use Monolog\Logger as MonoLogger;
 use Monolog\Processor\IntrospectionProcessor;
+use Monolog\Processor\WebProcessor;
 use Ramsey\Uuid\Uuid;
 
 /**
@@ -82,16 +83,6 @@ public function __construct(LoggerBuilder $builder)
             $rotating
         ];
 
-        if ($builder->getSlackHandler() instanceof SlackHandler) {
-            $slack = $builder->getSlackHandler();
-            $slack->setFormatter($formatter);
-
-            array_push(
-                $handlers,
-                $slack
-            );
-        }
-
         $introspection = new IntrospectionProcessor(
             $this->getLogLevel(),
             $builder->getSkipClassesPartials(),
@@ -105,10 +96,30 @@ public function __construct(LoggerBuilder $builder)
             return $record;
         };
 
+        $processors = [
+            $introspection,
+            $extraRecords,
+        ];
+
+        if ($builder->getSlackHandler() instanceof SlackHandler) {
+            $slack = $builder->getSlackHandler();
+            $slack->setFormatter($formatter);
+
+            array_push(
+                $handlers,
+                $slack
+            );
+
+            $webProcessor = new WebProcessor();
+            $webProcessor->addExtraField('server_ip_address', 'SERVER_ADDR');
+            $webProcessor->addExtraField('user_agent', 'HTTP_USER_AGENT');
+            array_push($processors, $webProcessor);
+        }
+
         $this->monologInstance = new MonoLogger(
             $this->getChannel(),
             $handlers,
-            [$introspection, $extraRecords]
+            $processors
         );
     }
 
diff --git a/tests/Logger/SlackNotificationTest.php b/tests/Logger/SlackNotificationTest.php
index f7e839b..77fc012 100644
--- a/tests/Logger/SlackNotificationTest.php
+++ b/tests/Logger/SlackNotificationTest.php
@@ -53,12 +53,28 @@ public function notificationToSlack()
         $slackHandlerBuilder = new SlackHandlerBuilder($slackToken, $slackChannel);
         $slackHandlerBuilder->setLevel(LoggerBuilder::CRITICAL);
 
+        $_SERVER['REQUEST_URI'] = '/tests/notifications';
+        $_SERVER['REMOTE_ADDR'] = '192.168.10.10';
+        $_SERVER['REQUEST_METHOD'] = 'POST';
+        $_SERVER['SERVER_NAME'] = 'cat-moko.localhost';
+        $_SERVER['HTTP_REFERER'] = 'https://github.com/nekonomokochan/php-json-logger/issues/50';
+        $_SERVER['SERVER_ADDR'] = '10.0.0.11';
+        $_SERVER['HTTP_USER_AGENT'] = 'Chrome';
+
         $loggerBuilder = new LoggerBuilder();
         $loggerBuilder->setFileName($this->outputFileBaseName);
         $loggerBuilder->setSlackHandler($slackHandlerBuilder->build());
         $logger = $loggerBuilder->build();
         $logger->critical($exception, $context);
 
+        unset($_SERVER['REQUEST_URI']);
+        unset($_SERVER['REMOTE_ADDR']);
+        unset($_SERVER['REQUEST_METHOD']);
+        unset($_SERVER['SERVER_NAME']);
+        unset($_SERVER['HTTP_REFERER']);
+        unset($_SERVER['SERVER_ADDR']);
+        unset($_SERVER['HTTP_USER_AGENT']);
+
         $resultJson = file_get_contents($this->outputFileName);
         $resultArray = json_decode($resultJson, true);
 
@@ -72,10 +88,10 @@ public function notificationToSlack()
             'channel'           => 'PhpJsonLogger',
             'trace_id'          => $logger->getTraceId(),
             'file'              => __FILE__,
-            'line'              => 60,
+            'line'              => 68,
             'context'           => $context,
-            'remote_ip_address' => '127.0.0.1',
-            'user_agent'        => 'unknown',
+            'remote_ip_address' => '192.168.10.10',
+            'user_agent'        => 'Chrome',
             'datetime'          => $resultArray['datetime'],
             'timezone'          => date_default_timezone_get(),
             'process_time'      => $resultArray['process_time'],