By scanning all the keywords, we find three similar results within the top 10 search engine results pages. In other words, we gather data from SERPs for all keywords, compare their positions, and group them according to the similarity of their results. 

Clustering generally requires more computing power, so you can take a break and enjoy your coffee while the data is being processed.

For more information about how to use clustering functions in WriterZen, please review this blog post: 

Topic Cluster & Use cases in Content Strategy: