@LefterisJP Congrats you killed it. :/ Please stop bringing sea animals to the surface. They can't breathe and some like urchins can't get rid of the air and so they suffocate.
@LefterisJP AFAIK, they are two distinct metrics for client diversity and not exactly comparable.
Sigma prime looks at the artifacts of the proposed blocks, so it trys to map validator to clients.
OTOH miga labs crawls the network for beacon nodes and counts via the self-report.