diff --git a/src/js/webrequest.js b/src/js/webrequest.js
index f3d44c513c..769d6dea04 100644
--- a/src/js/webrequest.js
+++ b/src/js/webrequest.js
@@ -51,6 +51,10 @@ function onBeforeRequest(details) {
     type = details.type,
     url = details.url;
 
+  if (utils.isRestrictedUrl(url)) {
+    return {};
+  }
+
   if (type == "main_frame") {
     forgetTab(tab_id);
     badger.recordFrame(tab_id, frame_id, url);
@@ -68,7 +72,7 @@ function onBeforeRequest(details) {
     return {cancel: true};
   }
 
-  if (_isTabChromeInternal(tab_id)) {
+  if (tab_id < 0) {
     return {};
   }
 
@@ -142,8 +146,8 @@ function onBeforeSendHeaders(details) {
     type = details.type,
     url = details.url;
 
-  if (_isTabChromeInternal(tab_id)) {
-    // DNT policy requests: strip cookies
+  if (tab_id < 0 || utils.isRestrictedUrl(url)) {
+    // strip cookies from DNT policy requests
     if (type == "xmlhttprequest" && url.endsWith("/.well-known/dnt-policy.txt")) {
       // remove Cookie headers
       let newHeaders = [];
@@ -158,6 +162,7 @@ function onBeforeSendHeaders(details) {
       };
     }
 
+    // ignore otherwise
     return {};
   }
 
@@ -222,8 +227,8 @@ function onHeadersReceived(details) {
   var tab_id = details.tabId,
     url = details.url;
 
-  if (_isTabChromeInternal(tab_id)) {
-    // DNT policy responses: strip cookies, reject redirects
+  if (tab_id < 0 || utils.isRestrictedUrl(url)) {
+    // strip cookies, reject redirects from DNT policy responses
     if (details.type == "xmlhttprequest" && url.endsWith("/.well-known/dnt-policy.txt")) {
       // if it's a redirect, cancel it
       if (details.statusCode >= 300 && details.statusCode < 400) {
@@ -245,6 +250,7 @@ function onHeadersReceived(details) {
       };
     }
 
+    // ignore otherwise
     return {};
   }
 
@@ -492,26 +498,6 @@ function checkAction(tabId, requestHost, frameId) {
   return badger.storage.getBestAction(requestHost);
 }
 
-/**
- * Checks if the tab is chrome internal
- *
- * @param {Integer} tabId Id of the tab to test
- * @returns {boolean} Returns true if the tab is chrome internal
- * @private
- */
-function _isTabChromeInternal(tabId) {
-  if (tabId < 0) {
-    return true;
-  }
-
-  let frameData = badger.getFrameData(tabId);
-  if (!frameData || !frameData.url.startsWith("http")) {
-    return true;
-  }
-
-  return false;
-}
-
 /**
  * Checks if the tab is a chrome-extension tab
  *
@@ -660,11 +646,6 @@ function dispatcher(request, sender, sendResponse) {
       return sendResponse();
     }
 
-    // Ignore requests from internal Chrome tabs.
-    if (_isTabChromeInternal(sender.tab.id)) {
-      return sendResponse();
-    }
-
     let requestHost = window.extractHostFromURL(request.frameUrl);
 
     // Ignore requests that aren't from a third party.