Position distribution groups tracked keywords into buckets such as top 3, top 10, top 20, and not ranking.
Distribution charts show portfolio health without reading every keyword row.
They are useful after migrations, content releases, or technical fixes because bucket movement is easy to explain.
See it in bisibility: position trend and distribution
Use bisibility when you want classic Google rank checks, BYO provider credentials, owned Postgres history, API access, and agent-readable discovery surfaces.