Report the Accelerate Metrics
The book Accelerate describes four core metrics to measure the performance of your team: Development Frequency, Lead time for changes, Time to restore service, and Change failure rate.
Having these metrics in CircleCI would be brilliant, as I see CircleCI as having all these metrics ready to calculate.
This article nicely describes the concept: https://www.gocd.org/2018/10/30/measure-continuous-delivery-process/
Here's the link to the book: