Just for balance, the company behind the blog post is also a developer-ran performance monitoring service: https://www.debugbear.com/ https://www.debugbear.com/

Just for balance, the company behind the blog post is also a developer-ran performance monitoring service: https://www.debugbear.com/ https://www.debugbear.com/ (Disclosure: this person is not me, but I have used the service and I do know the person)