Merge pull request #57 from MzHyde/feature/optimize-pagespeed

Feature/optimize pagespeed

Author: wbm-sbasler

Resources/config.xml

@@ -102,6 +102,20 @@
                 Changes to the content of this field can break the funcionality of Google Tag Manager and should
                 therefore only be done by experienced users.
             ]]></description>
+        </element>
+                <element scope="shop" type="boolean">
+            <name>wbmTagManagerPagespeed</name>
+            <label lang="de">Pagespeed Optimierung</label>
+            <label lang="en">Optimize for Pagespeed</label>
+            <value>1</value>
+            <description lang="de"><![CDATA[
+                Die Aktivierung dieses Feldes kann dazu führen, dass der Google Tag Manager nicht mehr
+                ordnungsgemäß funktioniert und sollte daher nur von erfahrenden Nutzern durchgeführt werden.
+            ]]></description>
+            <description lang="en"><![CDATA[
+                Activation of this field can break the funcionality of Google Tag Manager and should
+                therefore only be done by experienced users.
+            ]]></description>
         </element>
     </elements>
 </config>

Resources/tags/pagespeed/head.html

@@ -0,0 +1,16 @@
+<!-- WbmTagManager -->
+<script%s>
+var googleTagManagerFunction = function(w,d,s,l,i) {
+    w[l]=w[l]||[];
+    w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});
+    var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';
+    j.async=true;
+    j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl+'%s';
+    f.parentNode.insertBefore(j,f);
+};
+
+setTimeout(() => {
+    googleTagManagerFunction(window,document,'script','dataLayer','%s');
+}, 3000);
+</script>
+<!-- End WbmTagManager -->

Subscriber/Frontend/FilterRender.php

@@ -126,7 +126,11 @@ public function includeDataLayerInHead(
         $extendedUrlParams = trim($this->pluginConfig('wbmExtendedURLParameter'));
         $headTag = '';
         if (!$this->pluginConfig('wbmTagManagerCookieConsent')) {
-            $headTag = file_get_contents($this->pluginDir . '/Resources/tags/head.html');
+            if($this->pluginConfig('wbmTagManagerPagespeed')){
+                $headTag = file_get_contents($this->pluginDir . '/Resources/tags/pagespeed/head.html');
+            } else {
+                $headTag = file_get_contents($this->pluginDir . '/Resources/tags/head.html');
+            }
             $headTag = sprintf(
                 $headTag,
                 (!empty($this->pluginConfig('wbmScriptTagAttributes')) ? ' ' . $this->pluginConfig('wbmScriptTagAttributes') : ''),

plugin.xml

@@ -3,7 +3,8 @@
     <label lang="de">Tag Manager</label>
     <label lang="en">Tag Manager</label>
 
-    <version>3.5.5</version>
+
+    <version>3.5.6</version>
     <copyright>Webmatch GmbH</copyright>
     <license>proprietary</license>
     <link>http://www.webmatch.de</link>
@@ -12,6 +13,11 @@
     <author>Webmatch GmbH</author>
     <compatibility minVersion="5.6.3" />
 
+    <changelog version="3.5.6">
+        <changes lang="de">Hinzufügen der optionalen Pagespeed-Optimierung</changes>
+        <changes lang="en">Adding optional Pagespeed Optimisation</changes>
+    </changelog>
+
     <changelog version="3.5.5">
         <changes lang="de">Behebt fehlendes Tracking für removeFromCart auf der Warenkorb-Seite, die Daten sind nicht konfigurierbar im Backend</changes>
         <changes lang="en">Fix missing removeFromCart tracking on the cart page, data is not configurable in the backend</changes>