siege VS xDebug

Benchmarking: Benchmarking is the process of testing the performance of your application under a specific workload or set of conditions. You can use tools like Apache Bench or Siege to simulate load on your application and measure how it performs.

You can use things like Siege to DOS stress-test.

I have used siege in the past. It's been a while, though.

Siege.

Check this out: https://github.com/JoeDog/siege

I like https://github.com/JoeDog/siege for quick and dirty. A bit more flexible than apache bench

WP Setup has been updated to version 1.1.0, introducing Xdebug support and allowing for easy generation of test coverage reports.

Code profiling: Code profiling involves measuring the performance of your code by analyzing the execution time and memory usage of specific functions or methods. You can use a tool like Xdebug or Blackfire to perform code profiling on your Laravel application. To use Blackfire, ensure that your environment meets the following requirements:

xDebug is a powerful PHP debugging and profiling tool. Integrated with many IDEs, it can be used for step-by-step debugging, setting breakpoints, and real-time value inspection, making the debugging process more efficient. (xDebug is already built into ServBay, no need for separate installation)

It is necessaire to active Xdebug on your PHP. More details on Xdebug official documentation.

Is a Docker WordPress Environment focused on the development of WordPress plugins and themes, supports WP-CLI, phpMyAdmin, Xdebug and WordPress Coding Standards - WPCS.

I've gotten a lot of mileage out of Psalm, a static analysis tool that can help you identify potential bugs and things that might not be considered best practice, and XDebug, a debugging and profiling extension for PHP.

Step debugger

XDebug

Details: https://xdebug.org/