diff --git a/index.php b/index.php
index 1fa3baf..6a0b74d 100644
--- a/index.php
+++ b/index.php
@@ -13,6 +13,13 @@ if($_SERVER["REQUEST_URI"] == '/metrics') {
 			$client = new GuzzleHttp\Client();
 			$res = $client->get($c['httpurl']);
 			$output = $res->getBody()->getContents();
+		} elseif(isset($c['httpresponsetime'])) {
+			$client = new GuzzleHttp\Client();
+			$output = NULL;
+			$res = $client->request('GET', $c['httpresponsetime'], [
+		    'on_stats' => function (GuzzleHttp\TransferStats $stats) use (&$output) {
+		    	$output = $stats->getTransferTime();
+		    }]);
 		}
 		if(isset($c['jsonelem'])) {
 			$c['value'] = getArrayValue($c['jsonelem'], json_decode($output, true));