Going to start Google Analytics and Google re-marketing tags integration for Magento website. There are free extensions for that, we have install and configure them.
Google Universal Analytics: It defines a set of features that can be used to get a complete picture of how users are using the website. It gives more insights on visits, crawl errors, 404 errors, bounces and much more.
Google re-marketing tags:Google’s new Remarketing Tag helps you to easily create remarketing lists by allowing you to place one tag across all pages on your site. Now you can reach specific audiences with relevant messaging and tag your entire site with ease.