Use "as" in preload headers

classes/view.class.php

       $Styles = array_merge(['tooltipster'], explode(',', $CSSIncludes));
       foreach ($Scripts as $Script) {
         if (trim($Script) == '') { continue; }
-        header('Link: <'.STATIC_SERVER.'functions/'.$Script.'.js?v='.filemtime(SERVER_ROOT.STATIC_SERVER.'functions/'.$Script.'.js').'>; rel=preload;', false);
+        header('Link: <'.STATIC_SERVER.'functions/'.$Script.'.js?v='.filemtime(SERVER_ROOT.STATIC_SERVER.'functions/'.$Script.'.js').'>; rel=preload; as=script;', false);
       }
-      header('Link: <'.STATIC_SERVER.'styles/global.css?v='.filemtime(SERVER_ROOT.STATIC_SERVER.'styles/global.css').'>; rel=preload;', false);
+      header('Link: <'.STATIC_SERVER.'styles/global.css?v='.filemtime(SERVER_ROOT.STATIC_SERVER.'styles/global.css').'>; rel=preload; as=style', false);
       foreach ($Styles as $Style) {
         if (trim($Style) == '') { continue; }
-        header('Link: <'.STATIC_SERVER.'styles/'.$Style.'/style.css?v='.filemtime(SERVER_ROOT.STATIC_SERVER.'styles/'.$Style.'/style.css').'>; rel=preload;', false);
+        header('Link: <'.STATIC_SERVER.'styles/'.$Style.'/style.css?v='.filemtime(SERVER_ROOT.STATIC_SERVER.'styles/'.$Style.'/style.css').'>; rel=preload; as=style;', false);
       }
       require(SERVER_ROOT.'/design/privateheader.php');
     }

sections/stats/users.php

 <?
 if (!list($Countries, $Rank, $CountryUsers, $CountryMax, $CountryMin, $LogIncrements) = $Cache->get_value('geodistribution')) {
-  include_once(SERVER_ROOT.'/classes/charts.class.php');
   $DB->query('
     SELECT Code, Users
     FROM users_geodistribution');