diff --git a/code/boot.js b/code/boot.js
index d0391cf6..1d9ef3c8 100644
--- a/code/boot.js
+++ b/code/boot.js
@@ -279,13 +279,23 @@ function asyncLoadScript(a){return function(b,c){var d=document.createElement("s
 
 // modified version of https://github.com/shramov/leaflet-plugins. Also
 // contains the default Ingress map style.
-var LLGMAPS = 'http://breunigs.github.com/ingress-intel-total-conversion/dist/leaflet_google.js';
+var LEAFLETGOOGLE = 'http://breunigs.github.com/ingress-intel-total-conversion/dist/leaflet_google.js';
 var JQUERY = 'https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js';
 var JQUERYUI = 'http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.0/jquery-ui.min.js';
 var LEAFLET = 'http://cdn.leafletjs.com/leaflet-0.5/leaflet.js';
 var AUTOLINK = 'http://breunigs.github.com/ingress-intel-total-conversion/dist/autolink.js';
+var EMPTY = 'data:text/javascript;base64,';
+
+// don’t download resources which have been injected already
+var ir = window && window.internalResources ? window.internalResources : [];
+if(ir.indexOf('jquery')        !== -1) JQUERY   = EMPTY;
+if(ir.indexOf('jqueryui')      !== -1) JQUERYUI = EMPTY;
+if(ir.indexOf('leaflet')       !== -1) LEAFLET  = EMPTY;
+if(ir.indexOf('autolink')      !== -1) AUTOLINK = EMPTY;
+if(ir.indexOf('leafletgoogle') !== -1) LEAFLETGOOGLE = EMPTY;
+
 
 // after all scripts have loaded, boot the actual app
-load(JQUERY, LEAFLET, AUTOLINK).then(LLGMAPS, JQUERYUI).onError(function (err) {
+load(JQUERY, LEAFLET, AUTOLINK).then(LEAFLETGOOGLE, JQUERYUI).onError(function (err) {
   alert('Could not all resources, the script likely won’t work.\n\nIf this happend the first time for you, it’s probably a temporary issue. Just wait a bit and try again.\n\nIf you installed the script for the first time and this happens:\n– try disabling NoScript if you have it installed\n– press CTRL+SHIFT+K in Firefox or CTRL+SHIFT+I in Chrome/Opera and reload the page. Additional info may be available in the console.\n– Open an issue at https://github.com/breunigs/ingress-intel-total-conversion/issues');
 }).thenRun(boot);
diff --git a/main.js b/main.js
index 00904d65..2b2fb881 100644
--- a/main.js
+++ b/main.js
@@ -49,15 +49,23 @@ for(var i = 0; i < d.length; i++) {
 // player information is now available in a hash like this:
 // window.PLAYER = {"ap": "123", "energy": 123, "available_invites": 123, "nickname": "somenick", "team": "ALIENS||RESISTANCE"};
 
+var ir = window.internalResources || [];
+
 // remove complete page. We only wanted the user-data and the page’s
 // security context so we can access the API easily. Setup as much as
 // possible without requiring scripts.
 document.getElementsByTagName('head')[0].innerHTML = ''
   //~ + '<link rel="stylesheet" type="text/css" href="http://0.0.0.0:8000/style.css"/>'
   + '<title>Ingress Intel Map</title>'
-  + '<link rel="stylesheet" type="text/css" href="http://breunigs.github.com/ingress-intel-total-conversion/style.css?@@BUILDDATE@@"/>'
-  + '<link rel="stylesheet" type="text/css" href="http://cdn.leafletjs.com/leaflet-0.5/leaflet.css"/>'
-  + '<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Coda"/>';
+  + (ir.indexOf('mainstyle') === -1
+      ? '<link rel="stylesheet" type="text/css" href="http://breunigs.github.com/ingress-intel-total-conversion/style.css?@@BUILDDATE@@"/>'
+      : '')
+  + (ir.indexOf('leafletcss') === -1
+      ? '<link rel="stylesheet" type="text/css" href="http://cdn.leafletjs.com/leaflet-0.5/leaflet.css"/>'
+      : '')
+  + (ir.indexOf('codafont') === -1
+      ? '<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Coda"/>'
+      : '');
 
 document.getElementsByTagName('body')[0].innerHTML = ''
   + '<div id="map">Loading, please wait</div>'