Google Analytics is a web analytics service that provides the analysis or track of your website, real-time traffic, top user traffic sources etc. Google Analytics service is a part of Google Marketing platform and it freely available to anyone with a Google account.
It can help businesses to track their website or marketing activities, track any purchases, or adding products to the cart and obtain visitor information such as demographics.
Google Analytics collect user data from each website visitor with the use of page tags. It has the ability to see where your traffic comes from: like organic, direct, social or referral.