<p>This plugin measures the time it takes your checkout to load using hooks. All events are logged to files via the WooCommerce Logger Class. View them via WooCommerce >> Status >> Logs.<br />
The WooCommerce Block Checkout is not yet supported. You must use the classic shortcode based checkout for now.</p>
<h3>Feature list</h3>
<ul>
<li>Timer function for WooCommerce Shortcode Checkout aka Classic Checkout.</li>
</ul>
<h3>Roadmap</h3>
<ul>
<li>Timer function for WooCommerce Blocks Checkout</li>
</ul>
<h3>Documentation and Support</h3>
<p>More documentation at my website. https://conschneider.de/checkout-profiler-for-woocommerce/</p>


Checkout Profiler for WooCommerce

Wondering whether your WooCommerce checkout is slow? This plugin will tell you.

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.

Checkout Profiler for WooCommerce vs F12-Profiler