diff --git a/core/API/ApiRenderer.php b/core/API/ApiRenderer.php
index fc1c11d7367b4340a9a18438856edfd493284c69..a913041514346da23629acc94f57d4effdd519ed 100644
--- a/core/API/ApiRenderer.php
+++ b/core/API/ApiRenderer.php
@@ -91,8 +91,15 @@ abstract class ApiRenderer
             $format = 'json';
         }
 
+        $idSite = Common::getRequestVar('idSite', 0, 'int', $this->request);
+
+        if (empty($idSite)) {
+            $idSite = 'all';
+        }
+
         $renderer = Renderer::factory($format);
         $renderer->setTable($dataTable);
+        $renderer->setIdSite($idSite);
         $renderer->setRenderSubTables(Common::getRequestVar('expanded', false, 'int', $this->request));
         $renderer->setHideIdSubDatableFromResponse(Common::getRequestVar('hideIdSubDatable', false, 'int', $this->request));
 
diff --git a/core/BaseFactory.php b/core/BaseFactory.php
index 32b4090bc22aa193067e1eeb009b5378d581fa7e..d240da900f024fb24796e65b68e67d291659b124 100644
--- a/core/BaseFactory.php
+++ b/core/BaseFactory.php
@@ -26,7 +26,7 @@ abstract class BaseFactory
      * Creates a new instance of a class using a string ID.
      *
      * @param string $classId The ID of the class.
-     * @return BaseFactory
+     * @return \Piwik\DataTable\Renderer
      * @throws Exception if $classId is invalid.
      */
     public static function factory($classId)
diff --git a/core/DataTable/Renderer/Csv.php b/core/DataTable/Renderer/Csv.php
index d9b2ea4fd4a51db735393fbaf225e7669c840632..4d55979347d70116938fd4c34b84446cdefb78f2 100644
--- a/core/DataTable/Renderer/Csv.php
+++ b/core/DataTable/Renderer/Csv.php
@@ -12,7 +12,6 @@ use Piwik\Common;
 use Piwik\DataTable\Renderer;
 use Piwik\DataTable\Simple;
 use Piwik\DataTable;
-use Piwik\Date;
 use Piwik\Period;
 use Piwik\Period\Range;
 use Piwik\Piwik;
diff --git a/core/ReportRenderer.php b/core/ReportRenderer.php
index 3fa20aff43f36836d496f3463edc664e324800ca..1d290533c1aa031cd1b2dcf6194e367a387cec9a 100644
--- a/core/ReportRenderer.php
+++ b/core/ReportRenderer.php
@@ -35,12 +35,24 @@ abstract class ReportRenderer extends BaseFactory
     const PDF_FORMAT = 'pdf';
     const CSV_FORMAT = 'csv';
 
+    protected $idSite = 'all';
+
     private static $availableReportRenderers = array(
         self::PDF_FORMAT,
         self::HTML_FORMAT,
         self::CSV_FORMAT,
     );
 
+    /**
+     * Sets the site id
+     *
+     * @param int $idSite
+     */
+    public function setIdSite($idSite)
+    {
+        $this->idSite = $idSite;
+    }
+
     protected static function getClassNameFromClassId($rendererType)
     {
         return 'Piwik\ReportRenderer\\' . self::normalizeRendererType($rendererType);
diff --git a/core/ReportRenderer/Csv.php b/core/ReportRenderer/Csv.php
index b76096db4416cda7684a0f34d4b8b17b5e4565c7..ef5678b1f78f6b56af5198f199393500fc593d6f 100644
--- a/core/ReportRenderer/Csv.php
+++ b/core/ReportRenderer/Csv.php
@@ -141,6 +141,7 @@ class Csv extends ReportRenderer
     protected function getRenderer(DataTableInterface $table, $uniqueId)
     {
         $csvRenderer = new CsvDataTableRenderer();
+        $csvRenderer->setIdSite($this->idSite);
         $csvRenderer->setTable($table);
         $csvRenderer->setConvertToUnicode(false);
         $csvRenderer->setApiMethod(
diff --git a/plugins/API/Renderer/Console.php b/plugins/API/Renderer/Console.php
index 98e3d01d1ff1a92fffb4be0d889bedc1c9a83687..90dc03928e3a7850302e323adf1144ec741f2f5b 100644
--- a/plugins/API/Renderer/Console.php
+++ b/plugins/API/Renderer/Console.php
@@ -10,8 +10,6 @@ namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 
 class Console extends ApiRenderer
 {
diff --git a/plugins/API/Renderer/Csv.php b/plugins/API/Renderer/Csv.php
index 77caa50bcec94fdbc796f532f133d932d0191cbd..1a01134b56f8242990a08d794d1dc2fd3ec48ec4 100644
--- a/plugins/API/Renderer/Csv.php
+++ b/plugins/API/Renderer/Csv.php
@@ -10,8 +10,6 @@ namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 use Piwik\ProxyHttp;
 
 class Csv extends ApiRenderer
diff --git a/plugins/API/Renderer/Html.php b/plugins/API/Renderer/Html.php
index 48acbb355f249d390ae37ca2815236e10dadd4cd..1aeab87f51c1ce193b59c1b7212fa9a0521674e5 100644
--- a/plugins/API/Renderer/Html.php
+++ b/plugins/API/Renderer/Html.php
@@ -10,8 +10,6 @@ namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 
 class Html extends ApiRenderer
 {
diff --git a/plugins/API/Renderer/Json.php b/plugins/API/Renderer/Json.php
index 5037b30fbe32afbac2d690b4adc265204296fc56..8adfdaebe14461f7aa664e4ed070671c11998a1e 100644
--- a/plugins/API/Renderer/Json.php
+++ b/plugins/API/Renderer/Json.php
@@ -11,7 +11,6 @@ namespace Piwik\Plugins\API\Renderer;
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
 use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 use Piwik\Piwik;
 use Piwik\ProxyHttp;
 
@@ -34,6 +33,7 @@ class Json extends ApiRenderer
     /**
      * @param $message
      * @param Exception|\Throwable $exception
+     * @param \Exception|\Throwable $exception
      * @return string
      */
     public function renderException($message, $exception)
diff --git a/plugins/API/Renderer/Php.php b/plugins/API/Renderer/Php.php
index 5823137569ef407d193de0cb55e551422cd5d1e0..c237074541b51b8d6dc85f6657114781990ad1f8 100644
--- a/plugins/API/Renderer/Php.php
+++ b/plugins/API/Renderer/Php.php
@@ -10,8 +10,6 @@ namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 use Piwik\Piwik;
 
 class Php extends ApiRenderer
@@ -25,7 +23,7 @@ class Php extends ApiRenderer
 
     /**
      * @param $message
-     * @param Exception|\Throwable $exception
+     * @param \Exception|\Throwable $exception
      * @return string
      */
     public function renderException($message, $exception)
diff --git a/plugins/API/Renderer/Rss.php b/plugins/API/Renderer/Rss.php
index 5bbcac78aabd9df91316250eb6617efb2ead2a7e..f5ac883b402da72e4e6b4c5b58c11c79d6be4865 100644
--- a/plugins/API/Renderer/Rss.php
+++ b/plugins/API/Renderer/Rss.php
@@ -10,8 +10,6 @@ namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 
 class Rss extends ApiRenderer
 {
diff --git a/plugins/API/Renderer/Tsv.php b/plugins/API/Renderer/Tsv.php
index c5505159e0691ffd6b012cc2bde7ca917373b479..85304d29dd6b4a862209c5121d56ff87c8ff9290 100644
--- a/plugins/API/Renderer/Tsv.php
+++ b/plugins/API/Renderer/Tsv.php
@@ -9,8 +9,6 @@
 namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 
 class Tsv extends Csv
 {
diff --git a/plugins/API/Renderer/Xml.php b/plugins/API/Renderer/Xml.php
index 4a1f0247d704775d03b7fbc74e76095bdfcdf42c..dc1a52705736b44b9b283ea46826f0ad3f060266 100644
--- a/plugins/API/Renderer/Xml.php
+++ b/plugins/API/Renderer/Xml.php
@@ -10,8 +10,6 @@ namespace Piwik\Plugins\API\Renderer;
 
 use Piwik\API\ApiRenderer;
 use Piwik\Common;
-use Piwik\DataTable\Renderer;
-use Piwik\DataTable;
 
 class Xml extends ApiRenderer
 {
diff --git a/plugins/SEO/Widgets/GetRank.php b/plugins/SEO/Widgets/GetRank.php
index be22d61eec33106266b7435854d5b5528bf1723c..b22a6683c9cae44b7fee5572c92cee38e2dd998e 100644
--- a/plugins/SEO/Widgets/GetRank.php
+++ b/plugins/SEO/Widgets/GetRank.php
@@ -14,7 +14,6 @@ use Piwik\Widget\WidgetConfig;
 use Piwik\Site;
 use Piwik\Url;
 use Piwik\UrlHelper;
-use Piwik\View;
 use Piwik\Plugins\SEO\API;
 
 class GetRank extends \Piwik\Widget\Widget
diff --git a/plugins/ScheduledReports/API.php b/plugins/ScheduledReports/API.php
index 3391b581c81498ab3638a208a1342ed97a91f77b..be34d120fc4444426d56052a2f9fce5b6c9d3772 100644
--- a/plugins/ScheduledReports/API.php
+++ b/plugins/ScheduledReports/API.php
@@ -469,6 +469,7 @@ class API extends \Piwik\Plugin\API
         }
 
         // init report renderer
+        $reportRenderer->setIdSite($idSite);
         $reportRenderer->setLocale($language);
 
         // render report