diff --git a/README.md b/README.md
index 58b5fb005..47bf1be24 100644
--- a/README.md
+++ b/README.md
@@ -27,14 +27,15 @@ Example:
 
 ```javascript
 "Application Name": { 
-	cats:    [ "1" ], 
-	headers: { "X-Powered-By": "Application Name" },
-	url:     ".+\\.application-name\\.com",
-	html:    "<link[^>]application-name\\.css", 
-	meta:    { "generator": "Application Name" },
-	script:  "application-name\\.js",
-	env:     "ApplicationName",
-	implies: [ "PHP" ]
+	"cats":      [ 1 ], 
+	"headers":   { "X-Powered-By": "Application Name" },
+	"url":       ".+\\.application-name\\.com",
+	"html":      "<link[^>]application-name\\.css", 
+	"meta":      { "generator": "Application Name" },
+	"script":    "application-name\\.js",
+	"env":       "ApplicationName",
+	"implies":    [ "PHP" ],
+	"confidence": { "html": 50, "script": 50 }
 	}
 ```
 
diff --git a/drivers/bookmarklet/json b/drivers/bookmarklet/json
index c59edee7b..2e1c7e333 100644
--- a/drivers/bookmarklet/json
+++ b/drivers/bookmarklet/json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],
diff --git a/drivers/chrome/apps.json b/drivers/chrome/apps.json
index c59edee7b..2e1c7e333 100644
--- a/drivers/chrome/apps.json
+++ b/drivers/chrome/apps.json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],
diff --git a/drivers/chrome/js/driver.js b/drivers/chrome/js/driver.js
index 86e52bbac..c003fdaac 100644
--- a/drivers/chrome/js/driver.js
+++ b/drivers/chrome/js/driver.js
@@ -140,13 +140,10 @@
 
 			if ( count > 0 ) {
 				// Find the main application to display
-				var i, appName, confidence, found = false;
+				var i, appName, found = false;
 
 				w.driver.categoryOrder.map(function(match) {
 					for ( appName in w.detected[tab.url] ) {
-						confidence = w.detected[tab.url][appName].total;
-
-						w.apps[appName].cats.map(function(cat) {
 							if ( cat == match && !found ) {
 								chrome.browserAction.setIcon({ tabId: tab.id, path: 'images/icons/' + appName + '.png' });
 
diff --git a/drivers/firefox-jetpack/data/apps.json b/drivers/firefox-jetpack/data/apps.json
index c59edee7b..2e1c7e333 100644
--- a/drivers/firefox-jetpack/data/apps.json
+++ b/drivers/firefox-jetpack/data/apps.json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],
diff --git a/drivers/firefox/content/apps.json b/drivers/firefox/content/apps.json
index c59edee7b..2e1c7e333 100644
--- a/drivers/firefox/content/apps.json
+++ b/drivers/firefox/content/apps.json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],
diff --git a/drivers/html/apps.json b/drivers/html/apps.json
index c59edee7b..2e1c7e333 100644
--- a/drivers/html/apps.json
+++ b/drivers/html/apps.json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],
diff --git a/drivers/php/apps.json b/drivers/php/apps.json
index c59edee7b..2e1c7e333 100644
--- a/drivers/php/apps.json
+++ b/drivers/php/apps.json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],
diff --git a/share/apps.json b/share/apps.json
index c59edee7b..2e1c7e333 100644
--- a/share/apps.json
+++ b/share/apps.json
@@ -814,6 +814,7 @@
 			"headers": { "X-Content-Encoded-By": "Joomla" },
 			"env": "^jcomments$",
 			"implies": [ "PHP" ]
+			"confidence": { "html": 50, "url": 50 }
 		},
 		"jqPlot": {
 			"cats": [ 25 ],
@@ -930,7 +931,8 @@
 			"script": "(js/mage|skin/frontend/(default|enterprise))",
 			"headers": { "Set-Cookie": "frontend=" },
 			"env": "^(Mage|VarienForm)$",
-			"implies": [ "PHP" ]
+			"implies": [ "PHP" ],
+			"confidence": { "headers": 50 }
 		},
 		"Mambo": {
 			"cats": [ 1 ],