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MITS Profiler is a tool by <a href="https://mits.pl" rel="nofollow ugc">MITS</a> — a WordPress and WooCommerce agency based in Poland. It adds a diagnostic bar to any page by appending <code>?mits_prof=1</code> to the URL. It captures timing data from the moment PHP starts and presents it in a dark-themed panel at the bottom of the page — visible only to logged-in administrators.
Tabs included:
<ul>
<li>Timeline — absolute and relative timing between WordPress lifecycle hooks (plugins_loaded → init → wp_head → wp_footer)</li>
<li>Hooks — top 50 slowest action/filter hooks with total time and call count</li>
<li>Options — most-queried WordPress options + full autoload audit with sizes</li>
<li>Plugins — loaded PHP file sizes per plugin (proxy for load time)</li>
<li>Assets — all enqueued scripts and styles, external ones highlighted</li>
<li>HTTP — outgoing wp_remote_* requests with response time and status</li>
<li>SQL — all database queries with slow-query highlighting (requires SAVEQUERIES)</li>
<li>PHP — PHP version, OPcache status and hit rate, memory and execution limits</li>
</ul>
Key features:
<ul>
<li>Zero HTTP loopback — works behind Cloudflare, reverse proxies and strict firewall rules</li>
<li>No external dependencies or requests</li>
<li>Admin-only: the panel and all data are never shown to guests</li>
<li>Export to JSON or CSV for offline analysis</li>
<li>Works on front-end pages, WooCommerce pages, and WP Admin</li>
</ul>
SQL query logging requires adding the following to <code>wp-config.php</code>:
<pre><code>define('SAVEQUERIES', true);
</code></pre>

MITS Profiler

Lightweight WordPress performance profiler. No HTTP loopback requests — works behind Cloudflare and any proxy.

nintechnet

bruandet

<h4>A profiler to measure the performance of your WordPress plugins and themes.</h4>
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.
You can profile the frontend and backend of WordPress, as well a cron events, a custom URL, send a POST payload, custom cookies and HTTP headers to profile a contact form, a checkout process or an AJAX action among many other possibilities.
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 database queries, 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.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/3PLDk-ZvQtU?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
<h4>Features</h4>
<ul>
<li>Plugins & themes performance profiling.</li>
<li>[Pro] Scripts performance profiling.</li>
<li>[Pro] Methods & functions performance profiling.</li>
<li>[Pro] Database queries performance.</li>
<li>[Pro] Remote connections monitoring.</li>
<li>[Pro] File I/O operations monitoring.</li>
<li>File I/O statistics.</li>
<li>Disk I/O monitoring.</li>
<li>WP-CLI integration.</li>
<li>Export charts in PNG image format.</li>
<li>GET/POST methods, custom cookies and HTTP headers.</li>
<li>[Pro] Export all tables and charts in CSV file format.</li>
<li>[Pro] Filtering options</li>
</ul>
Learn more about <a href="https://nintechnet.com/codeprofiler/" rel="nofollow ugc">Code Profiler Pro</a>.

Code Profiler – WordPress Performance Profiling and Debugging Made Easy

Kudos to this amazing plugin. This was a dream, and now it's real!

The dream of many developer is now real


I am a developer of premium plugins, and I was able to discover a real bottleneck in our own plugin with this profiling tool. I use the PRO version for this, worth any money, and the breakdown by script file / method / execution time is great!



I don't know what magic is behind this (probably the calculation based on the backtrace), but it's awesome and doesn't require another PHP extension.


This is truly amazing!


This plugin is not much good without the pro upgrade. Seems unfair that I need to buy an annual subscription so I can run this plugin once or twice to fix issues and then never use it again. I understand the product  needs to be maintained but the fee is way too high for a single use. 


Pro is too expensive


This worked surprisingly well! Very useful settings. Much better than the old P3 profiler.  


Worked surprisingly well


I love Code Profiler, with it I can figure out which plugins have a poor performance and I can think about if this plugin is really that important to have or if I can just throw it out.



After having a specific problem with my site I posted a feature request in the forum, they were working on it quickly and the support was very good! I bought the premium version and I am impressed. I could lower the loading speed of some of my sites by 50-70% because Code Profiler helped me identify the problems.


I love it sooo much


Having looked at the screenshots before installing this plugin, I was dismayed to find that most of them refer to the premium version. 



I don't think it's acceptable that the screenshots attached to the free version of the plugin should be for the paid-for pro version - this is false advertising in my eyes. 


Deceptive advertising practices


Great support that goes far beyond supporting the plugin itself 🙏😊


Great support


Thanks, bought premium after free version showed a problem with WP Offload Media plugin. Pro version showed much more, glad I purchased.


Excelent


It's hard to believe you get all this for free. I can't even imagine what the paid version could offer more than the free. Thanks a lot.


Perfect

Very nice plugin and coded well!

So good

A profiler to measure the performance of your WordPress plugins and themes.

MITS Profiler vs Code Profiler – WordPress Performance Profiling and Debugging Made Easy