SEO
Cannibalization
Searches your own pages split between them, and indexable pages that read almost the same. Meelu points them out; you decide what to do with each.
Split queries
From your Search Console data.
A query shows here when two or more of your pages each earned at least 10% of its impressions. Split is the share of impressions that did not go to the top page. Ranked by impressions, how even the split is and how high the pages rank.