Easily find out which actions and filters are the slowest during a page load.

bruandet

nintechnet

Code Profiler – WordPress Performance Profiling and Debugging Made Easy

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

tombenner

MySQL Profiler

Displays a list of each page's SQL queries and the functions calling them that can be searched and sorted by time, type, etc.

Modern Tribe, Inc.

Jonathan Brinley

Peter Chester

Debugger

You can use this plugin to manually log data or to capture logging on WordPress actions. You can capture load time, memory, backrace, data dumps, urls …

ChrisHurst

MyWebsiteAdvisor

Simple Debug

Analyzes WordPress website performance, helps to locate slow function hooks.

Artberri

WP XHProf Profiler

Adds PHP profiling support to your Wordpress using Facebook's XHProf Profiler.

tierrainnovation

WPDB Profiling

This plugin will give you the total number of queries to the db per page, as well as the total time it took to render those queries out to the page.

Viktor Szépe

What's running

Lists WordPress require() calls mainly for plugin code refactoring.

Amit Gupta

PMC Benchmark

A benchmarking plugin to profile slow hooks.

Konstantin Kovshenin

This plugin lists the top 100 slowest actions and filters during a page request in WordPress. It helps you figure out performance bottlenecks in themes and plugins.
Requires <a href="https://wordpress.org/plugins/debug-bar/" title="Debug Bar" rel="ugc">Debug Bar</a>.
Current limitations:
<ul>
<li>Does not time nested actions and filters due to a core bug</li>
<li>Does not time actions and filters before plugins_loaded or muplugins_loaded if placed in mu-plugins</li>
<li>Does not time actions and callbacks after wp_footer at priority 1000</li>
</ul>

Debug Bar Slow Actions

many thanks to author. Excellent plugin!



MUST-HAVE for every developer.

Great!

This plugin is essential for plugin development! It also works with the Query Monitor plugin.

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