Clustering is necessary to create the semantic core or organic site structure. Clustering can be done manually or by using different platforms and algorithms. Serpstat's clustering algorithms are based on machine learning principles. Find out how to apply them.
In SEO strategy it's important to assess your chances of getting to the top of SERP for this or that keyword. Keyword difficulty is a parameter that shows how difficult it is to rank high for the requested keyword. Learn how we calculate it and how to use it.