Forge12 Interactive GmbH

<p>This plugin will track the load time of each plugin, javascript and css file<br />
to help you optimizing the performance of your WordPress site. It will help you<br />
to figure out which plugin / resource causing the slowness of your page.</p>
<p>Track time for:</p>
<ol>
<li>Core</li>
<li>Theme </li>
<li>Plugins</li>
<li>Resources (JavaScript, CSS)</li>
<li>External files</li>
</ol>


F12-Profiler

Excellent! After P3 doesn’t work with PHP7+ anymore, F12 seems finally the one stepping in to fill that gap.

Update [18-Jun-19]. After some small contributions of mine to the dev efforts, the plugin developer has decided to add me to the team, long after this review was written.

Finally an alternative to P3

Trace the execution time of plugins, themes and core files to find the bottlenecks of your system.

Takis Bouyouris

<h4>Performance Profiler</h4>
<p>WordPress Performance Profiler plugin silently monitors the resources consumption in the backend and frontend of your WordPress installation in order to provide overall usage and load statistics for optimization and debugging purposes.</p>


Performance Profiler

Performance Profiler plugin silently monitors the resources consumption of your WordPress installation.

F12-Profiler vs Performance Profiler