How Cookies can help to get your data? It is the most widely used and well-known technique for following consumers across several websites. Your information is gathered and kept for a while after you visit a website (they can be your log-in data or data that can be tailored to improve your browsing experience). There are cookies that are troublesome or tracking cookies that keep track of your web surfing activity across several sites over time. @https://blog.saasmantra.com/website-visitor-tracking-complete-guide/