The site visitor can permanently object to cross-device remarketing / targeting by disabling personalized ads in their Google Account: https://www.google.com/settings/ads/onweb/. If the site visitor wishes to object to Google's general tracking process, the conversion tracking cookies can be disabled by setting the browser to block cookies from the domain www.googleadservices.com: https://www.google.de/settings/ads.</p> <p>