Check out the ultimate guide on the Backlink Analysis tool:

Analyze your backlink profile with the Backlink Analysis tool, monitor new and lost backlinks, measure the link's authority and research competitors backlinks to find out which sites and pages are linking to them and use these insights in your next link building campaign. 

To get started with the backlink research, enter a domain name ( or a URL, if you'd like to analyze backlinks of a particular page) into the search bar on Serpstat, click on Search and browse to Backlink Analysis.