Note: This handbook chapter is under construction.
Measuring performance is crucial to identify notable performance improvements and to avoid performance regressions. This is important for WordPress coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress., but also for every software or tool as part of the WordPress project where performance is a concern.
This handbook chapter explains different ways for measuring performance and outlines relevant best practices:
- Profiling vs benchmarking
- Profiling PHP performance with Query Monitor
- Profiling PHP performance with XHProf
- Benchmarking PHP performance with Server-Timing
- Benchmarking overall performance with Web Vitals
- Defining test scenarios for profiles and benchmarks
- Best practices for performance measurement
- Gathering WordPress performance data in the field
