1 files changed, 1 insertions, 1 deletions
diff --git a/itjs.php b/itjs.php
index 90c9252..de98114 100644
--- a/itjs.php
+++ b/itjs.php
@@ -62,7 +62,7 @@ else if (!it::match('\.html$', $file))
 
 if (!preg_match('/Opera/', $_SERVER['HTTP_USER_AGENT']) && it::is_live() && !$_REQUEST['retry'])
 {
-	header("Cache-Control: max-age=604800");
+	header("Cache-Control: max-age=604800, private"); # proxies should not cache since contents of same url can differ between browsers
 	header("Expires: " . gmdate("D, d M Y H:i:s", time()+604800). " GMT");
 }