10up

Helen Hou-Sandi

Zack Tollman

Debug Bar Cron adds information about WP scheduled events to a new panel in the Debug Bar. This plugin is an extension for 
Debug Bar and thus is dependent upon Debug Bar being installed for it to work properly.
Once installed, you will have access to the following information:
<ul>
<li>Number of scheduled events</li>
<li>If cron is currently running</li>
<li>Time of next event</li>
<li>Current time</li>
<li>List of custom scheduled events</li>
<li>List of core scheduled events</li>
<li>List of schedules</li>
</ul>

Debug Bar Cron

This has been great for checking if WordPress's scheduled events are firing. Good for checking if you need to setup a real cron job or if that real cron job is failing. Very clear presentation.

Great for checking if scheduled events running

Debug Bar Cron adds a new panel to Debug Bar that displays information about WP scheduled events.

Oleg Butuzov

Debug Bar Rewrite Rules adds information about Rewrite Rules (changed via filters) to a new panel in the Debug Bar. This plugin is an extension for <a href="https://wordpress.org/extend/plugins/debug-bar/" rel="ugc">Debug Bar</a>, but it is also can work in standalone mode (as admin tools page). Note: this plugin not able to track <code>add_rewrite_rule</code> function calls, for a reason this function is untraceable.
Once installed, you will have access to the following information:
<ul>
<li>Number of existing rewrite rules</li>
<li>List of rewrite rules</li>
<li>List of available filter hooks that can affect rewrite rules.</li>
<li>List of filters that affects rewrite rules.</li>
<li>Ability to search in rules with highlighting matches.</li>
<li>Ability to test url and see what rules can be applied to it.</li>
<li>Ability to flush rules directly from debug bar panel/tools page.</li>
</ul>

Debug Bar Rewrite Rules

This plugin makes it so easy to debug and even discover WP rewrite rules. Thanks a lot!!

Amazing plugin!

Debug Bar Rewrite Rules adds a new panel to Debug Bar that displays information about WordPress Rewrites Rules (if used).

Debug Bar Cron vs Debug Bar Rewrite Rules