diff --git a/js/conf/Debug.js b/js/conf/Debug.js
index aa4de47..a93499c 100644
--- a/js/conf/Debug.js
+++ b/js/conf/Debug.js
@@ -1,6 +1,6 @@
 // Set prod to true when releasing
-// _prod = true; 
-_prod = false;
+_prod = true; 
+// _prod = false;
 
 Debug = {
   debug: true,
diff --git a/js/conf/Settings.js b/js/conf/Settings.js
index 16b426e..acb4bed 100644
--- a/js/conf/Settings.js
+++ b/js/conf/Settings.js
@@ -54,6 +54,14 @@ var _se_reload = function(){
   this.init(true);
 }
 
+var _se_isBlacklisted = function(site){
+  return this.blacklist.indexOf(site) > -1;
+}
+
+var _se_isWhitelisted = function(site){
+  return this.whitelist.indexOf(site) > -1;
+}
+
 var Settings = {
   arDetect: {
     enabled: "global",        // thats my csgo rank kappa
@@ -81,6 +89,8 @@ var Settings = {
   },
   whitelist: [],
   blacklist: ["vimeo.com"],
+  isBlacklisted: _se_isBlacklisted,
+  isWhitelisted: _se_isWhitelisted,
   init: _se_init,
   save: _se_save,
   reload: _se_reload,
diff --git a/js/lib/PlayerDetect.js b/js/lib/PlayerDetect.js
index f2cda9a..13e4b74 100644
--- a/js/lib/PlayerDetect.js
+++ b/js/lib/PlayerDetect.js
@@ -40,7 +40,12 @@ var _pd_getPlayerDimensions = function(element){
       height: screen.height
     };
   }
-  
+  if(element == null){
+    if(Debug.debug)
+      console.log("[PlayerDetect::_pd_getPlayerDimensions] element is not valid, doing nothing.", element)
+    
+    return;
+  }
   var playerCandidateNode = element;
   
   // in case our <video> is bigger than player in one dimension but smaller in the other
diff --git a/js/modules/Resizer.js b/js/modules/Resizer.js
index b417195..4c99fe1 100644
--- a/js/modules/Resizer.js
+++ b/js/modules/Resizer.js
@@ -115,7 +115,19 @@ var _res_setAr = function(ar, playerDimensions){
   GlobalVars.lastAr = {type: "static", ar: ar};
     
   var vid = GlobalVars.video;
+  if(vid == null || vid==undefined || vid.videoWidth == 0 || vid.videoHeight == 0){
+    vid =  document.getElementsByTagName("video")[0];
+    GlobalVars.video = vid;
+    
+    if(vid == null || vid==undefined || vid.videoWidth == 0 || vid.videoHeight == 0){
+      if(Debug.debug)
+        console.log("[Resizer::_res_setAr] You thought there is a video, didn't you? Tricked you. Never would be.", vid);
+      return;
+    }
+  }
   
+  if(Debug.debug)
+    console.log("[Resizer::_res_setAr] video:",vid,"width:", vid.videoWidth, "height:", vid.videoHeight);
   
   // Dejansko razmerje stranic datoteke/<video> značke
   // Actual aspect ratio of the file/<video> tag
@@ -123,10 +135,10 @@ var _res_setAr = function(ar, playerDimensions){
   
   if(ar == "default")
     ar = fileAr;
-  
+
   
   if(Debug.debug)
-    console.log("[Resizer::_res_setAr] ar is " ,ar, ", playerDimensions are ", playerDimensions);
+    console.log("[Resizer::_res_setAr] ar is " ,ar, ", file ar is", fileAr, ", playerDimensions are ", playerDimensions);
   
   var videoDimensions = {
     width: 0,
@@ -157,13 +169,13 @@ var _res_setAr = function(ar, playerDimensions){
   }
   
   if(Debug.debug){
-    console.log("[Resizer::_res_setArFs] Video dimensions: ",videoDimensions, "playerDimensions:",playerDimensions);
+    console.log("[Resizer::_res_setAr] Video dimensions: ",videoDimensions, "playerDimensions:",playerDimensions);
   }
   
   var cssValues = _res_computeOffsets(videoDimensions, playerDimensions);
   
   if(Debug.debug){
-    console.log("[Resizer::_res_setArFs] Offsets for css are: ",cssValues);
+    console.log("[Resizer::_res_setAr] Offsets for css are: ",cssValues);
   }
   
   _res_applyCss(cssValues);
diff --git a/js/uw-bg.js b/js/uw-bg.js
index a4eb633..45f5568 100644
--- a/js/uw-bg.js
+++ b/js/uw-bg.js
@@ -77,6 +77,22 @@ async function _uwbg_onTabSwitched(activeInfo){
   // todo: change extension icon depending on whether there's a video on the page or not
 }
 
+async function _uwbg_check4videos(){
+  if(BgVars.hasVideos)
+    return;
+  
+  var videoFrameList = Comms.sendToEach({"cmd":"has-videos"});
+  
+  if(Debug.debug)
+    console.log("[uw-bg::check4videos] got updated list of frames and whether they have videos", videoFrameList);
+  
+  var hasVideos = false;
+  for(frame of videoFrameList){
+    hasVideos |= frame.response.hasVideos;
+  }
+  
+  BgVars.hasVideos = hasVideos;
+}
 
 async function _uwbg_registerVideo(tabId){
   var tabs = await Comms.getActiveTab();
diff --git a/js/uw.js b/js/uw.js
index 83230d7..735b566 100644
--- a/js/uw.js
+++ b/js/uw.js
@@ -48,32 +48,17 @@ async function main(){
   if(Debug.debug)
     console.log("uw::document.ready | document is ready. Starting ar script ...");
 
-  if(SitesConf.getMode(window.location.hostname) == "blacklist" ){
+  if(Settings.isBlacklisted(window.location.hostname)){
     if(Debug.debug)
       console.log("uw::document.ready | site", window.location.hostname, "is blacklisted.");
 
     return;
-  }
-  
-  if( ExtensionConf.mode == "none" ){
-    if(Debug.debug)
-      console.log("uw::document.ready | Extension is soft-disabled via popup");
-    
-    return;
-  }
-  if( ExtensionConf.mode == "whitelist" && SitesConf.getMode(window.location.hostname) != "whitelist"){
-    if(Debug.debug)
-      console.log("uw::document.ready | extension is set to run on whitelisted sites only, but site ", window.location.hostname, "is not on whitelist.");
-    
-    return;
-  }
-  
-  
+  } 
   
   if(Settings.arDetect.enabled == "global"){
     if(Debug.debug)
       console.log("[uw::main] Aspect ratio detection is enabled. Starting ArDetect");
-//     ArDetect.arSetup();
+    ArDetect.arSetup();
   }
   else{
     if(Debug.debug)
@@ -98,9 +83,16 @@ function ghettoOnChange(){
   if(_video_recheck_counter++ > _video_recheck_period){
     _video_recheck_counter = 0;
     
-    if(GlobalVars.video === null){
+    if ( GlobalVars.video == null || 
+         GlobalVars.video == undefined ||
+         GlobalVars.video.videoWidth == 0 ||
+         GlobalVars.video.videoHeight == 0 ){
+      
       var video = document.getElementsByTagName("video")[0];
-      if(video !== undefined){
+      if ( video !== undefined &&
+           video !== null && 
+           video.videoWidth > 0 &&
+           video.videoHeight > 0 ){
         GlobalVars.video = video;
         Comms.sendToBackgroundScript({"cmd":"register-video"});
       }
diff --git a/res/popup/js/popup.js b/res/popup/js/popup.js
index f3a23fc..7f9ca67 100644
--- a/res/popup/js/popup.js
+++ b/res/popup/js/popup.js
@@ -229,10 +229,8 @@ function openMenu(menu){
     }
   }
   
-//   if(menu != "noVideo"){
-//     selectedMenu = menu;
-//     MenuTab[menu].classList.add("selected");
-//   }
+  selectedMenu = menu;
+  MenuTab[menu].classList.add("selected");
 }
 
 function _arctl_onclick(command){
@@ -422,7 +420,7 @@ document.addEventListener("click", (e) => {
   
   var command = getcmd(e);  
   if(command)
-    sendMessage(command);
+    Comms.sendToAll(command);
   
   return true;
 });
diff --git a/res/popup/popup.html b/res/popup/popup.html
index d683965..d030c34 100644
--- a/res/popup/popup.html
+++ b/res/popup/popup.html
@@ -160,7 +160,7 @@
         Settings for this site
       </div>
       <div id="_menu_aspectratio" class="menu-item selected _menu_aspectratio">
-        Aspect ratio and alignment
+        Letterbox removal and alignment
       </div>
       <div id="_menu_csshacks" class="menu-item disabled hidden _menu_hacks">
         CSS hacks for this site
@@ -204,7 +204,7 @@
         
         <div id="no-videos-warning" class="warning">No videos were detected on this page. The buttons may not work at all. Check that this site is not blacklisted and reload the page.</div>
         <div class="row">
-          <span class="label">Force aspect ratio:</span>
+          <span class="label">Cropping mode:</span>
           <div class="button-row">
             <a class="button _changeAr _ar_auto w24">Auto-detect<br/><span id="_b_changeAr_autoar_key" class="smallcaps small darker"></span></a>
             <a class="button _changeAr _ar_reset w24">Reset<br/><span id="_b_changeAr_reset_key" class="smallcaps small darker"></span></a>