Add DELAYED handler and comment
diff --git a/redirector.php b/redirector.php
index ca42f04..9ff4b23 100644
--- a/redirector.php
+++ b/redirector.php
@@ -91,7 +91,7 @@
 		# track the click
 		# Do a reverse lookup on the client IP
 		$client_hostname = @gethostbyaddr($_SERVER['REMOTE_ADDR']) ;
-		$SQL = "INSERT INTO CampaignClicks (
+		$SQL = "INSERT /* /go/redirector.php */ DELAYED INTO CampaignClicks (
 					ClickID,
   					CampaignKey,
   					SubKey,