New assetsNotGzipped rule

front/src/views/rule.html

@@ -150,6 +150,11 @@
                         <url-link url="offender" max-length="100"></url-link>
                     </div>
 
+                    <div ng-if="policyName === 'assetsNotGzipped'">
+                        <url-link url="offender.file" max-length="100"></url-link>
+                        ({{offender.type}})
+                    </div>
+
                     <div ng-if="policyName === 'cachingTooShort'">
                         <url-link url="offender.file" max-length="100"></url-link>
                         cached for <b>{{offender.ttlWithUnit}} {{offender.unit}}</b>

lib/metadata/policies.js

@@ -1130,6 +1130,35 @@ var policies = {
         "isAbnormalThreshold": 1,
         "hasOffenders": true
     },
+    "assetsNotGzipped": {
+        "tool": "phantomas",
+        "label": "Not gzipped",
+        "message": "<p>This is the number of requests that should be compressed with gzip but aren't.</p><p>Gzip is a powerfull weight reducer and should be enabled on text-based assets in your server's configuration. Note that gzipping small files (< 1 KB) is arguable, and that some assets such as images should not be gzipped as they are already compressed. <a href=\"https://gist.github.com/gmetais/971ce13a1fbeebd88445\" target=\"_blank\">Here</a> is a list of Content-Types that should be gzipped.</p>",
+        "isOkThreshold": 0,
+        "isBadThreshold": 12,
+        "isAbnormalThreshold": 20,
+        "hasOffenders": true,
+        "offendersTransformFn": function(offenders) {
+            return {
+                count: offenders.length,
+                list: offenders.map(function(offender) {
+                    var parts = /^([^ ]*) \((.+)\)$/.exec(offender);
+
+                    if (!parts) {
+                        debug('assetsNotGzipped offenders transform function error with "%s"', offender);
+                        return {
+                            parseError: offender
+                        };
+                    }
+
+                    return {
+                        file: parts[1],
+                        type: parts[2]
+                    };
+                })
+            };
+        }
+    },
     "closedConnections": {
         "tool": "phantomas",
         "label": "Connections closed",
@@ -1250,7 +1279,6 @@ var policies = {
                         domain: parts[1],
                         requests: parseInt(parts[2])
                     };
-
                 })
             };
         }

lib/metadata/scoreProfileGeneric.json

@@ -95,6 +95,7 @@
             "label": "Network",
             "policies": {
                 "notFound": 2,
+                "assetsNotGzipped": 1.5,
                 "closedConnections": 2,
                 "multipleRequests": 2,
                 "cachingNotSpecified": 1,