diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index b6aaa4d5a4..70ef57ea1e 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -514,7 +514,7 @@
  * @property {Object|string|undefined} data Data to parse.
  * @property {ol.Extent|undefined} extent Extent.
  * @property {string|undefined} logo Logo.
- * @property {ol.parser.FeatureParser} parser Parser instance to parse data
+ * @property {ol.parser.Parser} parser Parser instance to parse data
  *     provided as `data` or fetched from `url`.
  * @property {ol.ProjectionLike|undefined} projection Projection. EPSG:4326
  *     is assumed if not defined. TODO: Get projection from the parser instead
diff --git a/src/ol/layer/vectorlayer.js b/src/ol/layer/vectorlayer.js
index 01a5550035..f0746f61d7 100644
--- a/src/ol/layer/vectorlayer.js
+++ b/src/ol/layer/vectorlayer.js
@@ -418,7 +418,7 @@ ol.layer.Vector.prototype.groupFeaturesBySymbolizerLiteral =
 
 /**
  * @param {Object|Element|Document|string} data Feature data.
- * @param {ol.parser.FeatureParser} parser Feature parser.
+ * @param {ol.parser.Parser} parser Feature parser.
  * @param {ol.Projection} projection This sucks.  The layer should be a view in
  *     one projection.
  */
@@ -462,7 +462,7 @@ ol.layer.Vector.prototype.parseFeatures = function(data, parser, projection) {
     this.addFeatures(features);
   };
 
-  var options = {callback: callback};
+  var options = {callback: callback}, result;
   if (goog.isString(data)) {
     if (goog.isFunction(parser.readFeaturesFromStringAsync)) {
       parser.readFeaturesFromStringAsync(data, goog.bind(addFeatures, this),
diff --git a/src/ol/parser/featureparser.js b/src/ol/parser/featureparser.js
index a249335789..ff27ede189 100644
--- a/src/ol/parser/featureparser.js
+++ b/src/ol/parser/featureparser.js
@@ -96,7 +96,7 @@ ol.parser.AsyncObjectFeatureParser = function() {};
 
 /**
  * @param {Object} obj Object representing features.
- * @param {function(Array.<ol.Feature>), ol.parser.ReadFeaturesMetadata}
+ * @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
  *     callback Callback which is called
  * after parsing.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
diff --git a/src/ol/parser/geojson.js b/src/ol/parser/geojson.js
index 8630f4b2cb..32b3857be6 100644
--- a/src/ol/parser/geojson.js
+++ b/src/ol/parser/geojson.js
@@ -16,6 +16,7 @@ goog.require('ol.geom.SharedVertices');
 goog.require('ol.parser.Parser');
 goog.require('ol.parser.ReadFeaturesOptions');
 goog.require('ol.parser.StringFeatureParser');
+goog.require('ol.proj');
 
 
 
@@ -58,12 +59,13 @@ ol.parser.GeoJSON.read = function(str) {
  * Parse a GeoJSON feature collection.
  * @param {string} str GeoJSON feature collection.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Reader options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.GeoJSON.prototype.readFeaturesFromString =
+ol.parser.GeoJSON.prototype.readFeaturesWithMetadataFromString =
     function(str, opt_options) {
   var json = /** @type {GeoJSONFeatureCollection} */ (JSON.parse(str));
-  return this.parseFeatureCollection_(json, opt_options);
+  return {features: this.parseFeatureCollection_(json, opt_options),
+    metadata: {projection: ol.proj.get('EPSG:4326')}};
 };
 
 
@@ -72,11 +74,12 @@ ol.parser.GeoJSON.prototype.readFeaturesFromString =
  * @param {GeoJSONFeatureCollection} object GeoJSON feature collection decoded
  *     from JSON.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Reader options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.GeoJSON.prototype.readFeaturesFromObject =
+ol.parser.GeoJSON.prototype.readFeaturesWithMetadataFromObject =
     function(object, opt_options) {
-  return this.parseFeatureCollection_(object, opt_options);
+  return {features: this.parseFeatureCollection_(object, opt_options),
+    metadata: {projection: ol.proj.get('EPSG:4326')}};
 };
 
 
diff --git a/src/ol/parser/gpx.js b/src/ol/parser/gpx.js
index 712102b81e..295c62d8e0 100644
--- a/src/ol/parser/gpx.js
+++ b/src/ol/parser/gpx.js
@@ -47,6 +47,7 @@ ol.parser.GPX = function(opt_options) {
       'gpx': function(node, obj) {
         if (!goog.isDef(obj.features)) {
           obj.features = [];
+          obj.metadata = {projection: ol.proj.get('EPSG:4326')};
         }
         this.readChildNodes(node, obj);
       },
@@ -233,17 +234,9 @@ ol.parser.GPX = function(opt_options) {
 goog.inherits(ol.parser.GPX, ol.parser.XML);
 
 
-/**
- * @inheritDoc
- */
-ol.parser.GPX.prototype.getProjection = function() {
-  return ol.proj.get('EPSG:4326');
-};
-
-
 /**
  * @param {string|Document|Element|Object} data Data to read.
- * @return {Object} An object representing the document.
+ * @return {ol.parser.ReadFeaturesResult} An object representing the document.
  */
 ol.parser.GPX.prototype.read = function(data) {
   if (goog.isString(data)) {
@@ -252,7 +245,7 @@ ol.parser.GPX.prototype.read = function(data) {
   if (data && data.nodeType == 9) {
     data = data.documentElement;
   }
-  var obj = {};
+  var obj = {features: [], metadata: {projection: ol.proj.get('EPSG:4326')}};
   this.readNode(data, obj);
   return obj;
 };
@@ -262,12 +255,12 @@ ol.parser.GPX.prototype.read = function(data) {
  * Parse a GPX document provided as a string.
  * @param {string} str GPX document.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Reader options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.GPX.prototype.readFeaturesFromString =
+ol.parser.GPX.prototype.readFeaturesWithMetadataFromString =
     function(str, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(str).features;
+  return this.read(str);
 };
 
 
@@ -275,24 +268,24 @@ ol.parser.GPX.prototype.readFeaturesFromString =
  * Parse a GPX document provided as a DOM structure.
  * @param {Element|Document} node Document or element node.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.GPX.prototype.readFeaturesFromNode =
+ol.parser.GPX.prototype.readFeaturesWithMetadataFromNode =
     function(node, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(node).features;
+  return this.read(node);
 };
 
 
 /**
  * @param {Object} obj Object representing features.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.GPX.prototype.readFeaturesFromObject =
+ol.parser.GPX.prototype.readFeaturesWithMetadataFromObject =
     function(obj, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(obj).features;
+  return this.read(obj);
 };
 
 
diff --git a/src/ol/parser/kml.js b/src/ol/parser/kml.js
index 91932449bd..021118d640 100644
--- a/src/ol/parser/kml.js
+++ b/src/ol/parser/kml.js
@@ -66,6 +66,7 @@ ol.parser.KML = function(opt_options) {
       'kml': function(node, obj) {
         if (!goog.isDef(obj.features)) {
           obj.features = [];
+          obj.metadata = {projection: ol.proj.get('EPSG:4326')};
         }
         if (!goog.isDef(obj.links)) {
           obj.links = [];
@@ -822,7 +823,8 @@ goog.inherits(ol.parser.KML, ol.parser.XML);
 
 /**
  * @param {Object} obj Object representing features.
- * @param {function(Array.<ol.Feature>)} callback Callback which is called
+ * @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
+ *     callback Callback which is called
  * after parsing.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
  */
@@ -834,15 +836,16 @@ ol.parser.KML.prototype.readFeaturesFromObjectAsync =
 
 
 /**
- * @param {string} str KML document.
- * @param {function(Array.<ol.Feature>)} callback Callback which is called
+ * @param {string} data String data.
+ * @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
+ *        callback Callback which is called
  * after parsing.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
  */
 ol.parser.KML.prototype.readFeaturesFromStringAsync =
-    function(str, callback, opt_options) {
+    function(data, callback, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  this.read(str, callback);
+  this.read(data, callback);
 };
 
 
@@ -850,12 +853,12 @@ ol.parser.KML.prototype.readFeaturesFromStringAsync =
  * Parse a KML document provided as a string.
  * @param {string} str KML document.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Reader options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.KML.prototype.readFeaturesFromString =
+ol.parser.KML.prototype.readFeaturesWithMetadataFromString =
     function(str, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(str).features;
+  return this.read(str);
 };
 
 
@@ -863,24 +866,24 @@ ol.parser.KML.prototype.readFeaturesFromString =
  * Parse a KML document provided as a DOM structure.
  * @param {Element|Document} node Document or element node.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.KML.prototype.readFeaturesFromNode =
+ol.parser.KML.prototype.readFeaturesWithMetadataFromNode =
     function(node, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(node).features;
+  return this.read(node);
 };
 
 
 /**
  * @param {Object} obj Object representing features.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.KML.prototype.readFeaturesFromObject =
+ol.parser.KML.prototype.readFeaturesWithMetadataFromObject =
     function(obj, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(obj).features;
+  return this.read(obj);
 };
 
 
@@ -929,19 +932,12 @@ ol.parser.KML.prototype.parseLinks = function(deferreds, obj, done) {
 };
 
 
-/**
- * @inheritDoc
- */
-ol.parser.KML.prototype.getProjection = function() {
-  return ol.proj.get('EPSG:4326');
-};
-
-
 /**
  * @param {string|Document|Element|Object} data Data to read.
  * @param {Function=} opt_callback Optional callback to call when reading
  * is done.
- * @return {Object} An object representing the document.
+ * @return {ol.parser.ReadFeaturesResult} An object representing the
+ * document.
  */
 ol.parser.KML.prototype.read = function(data, opt_callback) {
   if (goog.isString(data)) {
@@ -950,7 +946,7 @@ ol.parser.KML.prototype.read = function(data, opt_callback) {
   if (data && data.nodeType == 9) {
     data = data.documentElement;
   }
-  var obj = {};
+  var obj = {features: [], metadata: {projection: ol.proj.get('EPSG:4326')}};
   this.readNode(data, obj);
   if (goog.isDef(opt_callback)) {
     var deferreds = [];
@@ -964,15 +960,15 @@ ol.parser.KML.prototype.read = function(data, opt_callback) {
               var feature = obj.features[i];
               this.applyStyle_(feature, obj['styles']);
             }
-            opt_callback.call(null, obj.features);
+            opt_callback.call(null, obj);
           }, function() {
             throw new Error('KML: parsing of NetworkLinks failed');
           }, this);
     });
   } else {
-    return obj;
+    return /* ol.parser.ReadFeaturesResult */(obj);
   }
-  return null;
+  return {features: null, metadata: {projection: ol.proj.get('EPSG:4326')}};
 };
 
 
diff --git a/src/ol/parser/ogc/gml.js b/src/ol/parser/ogc/gml.js
index f5c221655f..ea5a060894 100644
--- a/src/ol/parser/ogc/gml.js
+++ b/src/ol/parser/ogc/gml.js
@@ -455,7 +455,7 @@ goog.inherits(ol.parser.ogc.GML, ol.parser.XML);
 
 /**
  * @param {string|Document|Element|Object} data Data to read.
- * @return {Object} An object representing the document.
+ * @return {ol.parser.ReadFeaturesResult} An object representing the document.
  */
 ol.parser.ogc.GML.prototype.read = function(data) {
   if (typeof data == 'string') {
@@ -464,7 +464,7 @@ ol.parser.ogc.GML.prototype.read = function(data) {
   if (data && data.nodeType == 9) {
     data = data.documentElement;
   }
-  var obj = {features: []};
+  var obj = {features: [], metadata: {projection: null}};
   this.readNode(data, obj, true);
   return obj;
 };
@@ -570,10 +570,10 @@ ol.parser.ogc.GML.prototype.createGeometry_ = function(container,
  * Parse a GML document provided as a string.
  * @param {string} str GML document.
  * @param {ol.parser.ReadFeaturesOptions=} opt_options Reader options.
- * @return {Array.<ol.Feature>} Array of features.
+ * @return {ol.parser.ReadFeaturesResult} Features and metadata.
  */
-ol.parser.ogc.GML.prototype.readFeaturesFromString =
+ol.parser.ogc.GML.prototype.readFeaturesWithMetadataFromString =
     function(str, opt_options) {
   this.readFeaturesOptions_ = opt_options;
-  return this.read(str).features;
+  return this.read(str);
 };
diff --git a/src/ol/source/vectorsource.js b/src/ol/source/vectorsource.js
index 95a727f006..a53eb708cb 100644
--- a/src/ol/source/vectorsource.js
+++ b/src/ol/source/vectorsource.js
@@ -38,7 +38,7 @@ ol.source.Vector = function(options) {
 
   /**
    * @private
-   * @type {ol.parser.FeatureParser}
+   * @type {ol.parser.Parser}
    */
   this.parser_ = goog.isDef(options.parser) ? options.parser : null;