I am just learning and practicing, but facing so many issues.
Try webgrind cause it's easy to use. It gives you the profiling of CacheGrinder in an easy to read, browser based format. I'm on a Mac and it has made profiling a breeze also works on Windows machine too.
Atatus is best in 2023 , Cause Atatus is an application performance monitoring tool with PHP performance monitoring and PHP error handling functionality. It tracks your app's performance and errors, giving you full visibility into how they're impacting your end-user experience. You can gain actionable insight into root cause issues, increase business metrics, and optimize your application performance using the Atatus PHP monitoring tool.
See exceptions affecting your users including the most time-consuming transactions, slow database queries, slow network calls, full stack traces. With the comprehensive analytics we provide, you can quickly improve the efficiency and end-user experience of your PHP applications.