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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.

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