diff --git a/templates/base.html b/templates/base.html
index 80b51315..6015f955 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -122,6 +122,22 @@
           'EBCallBackMessageReceived',
           // See http://toolbar.conduit.com/Developer/HtmlAndGadget/Methods/JSInjection.aspx
           'conduitPage'
+        ],
+        blacklistUrls: [
+          // Facebook flakiness
+          /graph\.facebook\.com/i,
+          // Facebook blocked
+          /connect\.facebook\.net\/en_US\/all\.js/i,
+          // Woopra flakiness
+          /eatdifferent\.com\.woopra-ns\.com/i,
+          /static\.woopra\.com\/js\/woopra\.js/i,
+          // Chrome extensions
+          /extensions\//i,
+          /^chrome:\/\//i,
+          // Other plugins
+          /127\.0\.0\.1:4001\/isrunning/i,  // Cacaoweb
+          /webappstoolbarba\.texthelp\.com\//i,
+          /metrics\.itunes\.apple\.com\.edgesuite\.net\//i
         ]
       });
     } catch (error) {