WooCommerce Piwik Integration
This plugin integrates your WooCommerce store with the WP-Piwik plugin, providing support for tracking your checkout process through Piwik. Please note that you need your own Piwik installation for this plugin (and WP-Piwik) to function, look at the Piwik website to get more information.
Will be required for WooCommerce shops using the integration from WooCommerce 2.1 and up.
Support is only available in the WordPress.org support forums for this plugin.