Code Profiler helps you to measure the performance of your plugins and themes at the PHP level and to quickly find any potential problem in your WordPress installation.
It generates an extremely detailed and easy to read analysis in the form of charts and tables that shows not only which plugin or theme, but also which PHP script, class, method and function is slowing down your website. It displays many useful additional information such as file I/O operations and disk I/O usage as well.
It makes it very simple to locate any bottleneck problem in your themes or plugins in order to solve it and speed up your website.
Install, activate it and you can start profiling your site right away.
Free and premium versions available.
More info: [ Ссылка ]
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