Google Analytics gives you the free tools you need to analyze your business data in one place, so you can make smarter decisions. It is one of the best online tools for collecting statistics and data about sites, as it provides an advanced level of metrics and in-depth website analytics that tracks all aspects of your site's performance. It also provides detailed reports on the sources of visits to the site, the behavior of visitors and their demographic categories, knowing the number of visitors and other important statistics.