Google Analytics is a simple, easy-to-use tool that helps website owners measure how users interact with website content. ... The Google Analytics JavaScript libraries use HTTP cookies to "remember" what a user has done on previous pages / interactions with the website.

Do I need a cookie policy for Google Analytics?

Since Google Analytics tracks data about visitors to your website by storing cookies on their computers, a Privacy Policy is essential. If you utilize Google Analytics but you don't include a Privacy Policy on your website, you're using the tool illegally and you've also breached your contract with Google.

Can Google Analytics work without cookies?

When cookies aren't available, Google Analytics will soon be able to gather data using machine learning. Google announces several updates that will help provide site owners and advertisers with relevant data when cookies aren't available.