I only use Alexa Pro for sorting sites over 100K for traffic patterns to buy ads. The site demographics are interesting -- Alexa is a relative stat (sometimes) LOL. You can manipulate it easily but it does leave breadcrumbs telling of manipulative efforts.
Alexa Pro is a tool -- nothing more.
Comscore
How mobile-first has paid off for Unicorn brands: An Insight into Billion Dollar Companies - comScore, Inc
Doing well these days is not about gaming the googlebot really ;O)