Third party statistical cookies (eg: Google Analytics) are employed In case the data is anonymised in advance of getting saved through the 3rd party service, and If your 3rd party undertakes not to "cross" the data gathered with other data in its possession. It is possible to configure Google Analytics https://reallivesocial.com/story4013430/detailed-notes-on-prestashop%E4%B8%AD%E6%96%87