diff --git a/www/revcheck.php b/www/revcheck.php
index 7d30004..daf2dc2 100644
--- a/www/revcheck.php
+++ b/www/revcheck.php
@@ -52,6 +52,7 @@
 }
 
 site_header();
+header('Cache-Control: public, max-age=3600');
 switch($tool) {
  case 'translators':
     $translators = get_translators($dbhandle, $lang);