rails_vitals

https://github.com/Sanchezdav/rails_vitals

RailsVitals is a lightweight Rails engine gem that makes the hidden runtime behavior of a Rails application visible, measurable, and teachable. It provides insights into the inner workings of a Rails app, helping developers understand and optimize their code. With RailsVitals, you can easily identify performance bottlenecks, track database queries, and gain a deeper understanding of how your application operates under the hood.