defer loading of addthis

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## Draft
+- Added defer tag to addThis and defered execution of related script[#1406](https://github.com/bigcommerce/cornerstone/pull/1406)
 - Fixed compare buttons for product list display [#1384](https://github.com/bigcommerce/cornerstone/pull/1384)
 - Remove unnecessary API call to get cookie notification status [#1380](https://github.com/bigcommerce/cornerstone/pull/1380)
 - Cart switch from quote item hash to id which is immutable [#1387](https://github.com/bigcommerce/cornerstone/pull/1387)

templates/components/common/share.html

@@ -61,11 +61,13 @@
             {{/each}}
         </ul>
         <script type="text/javascript"
-                src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-4e94ed470ee51e32"></script>
-        <script>
-            if (typeof(addthis) === "object") {
-                addthis.toolbox('.addthis_toolbox');
-            }
+                defer src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-4e94ed470ee51e32"></script>
+        <script>  
+            window.addEventListener('DOMContentLoaded', function() {
+                if (typeof(addthis) === "object") {
+                    addthis.toolbox('.addthis_toolbox');
+                }
+            });
         </script>
     </div>
 {{/if}}