Hyper Cache is a performant and easy to configure cache system for WordPress.
Do you like to adjust and style the backend as much as the frontend? So, we are together! Lots of pro tips and enhancements in one place.
The smallest cache plugin ever released (but still greatly efficient).
Boost WordPress performance: Faster localization, (on the fly) dynamic image resizing and CDN support for images.
The Plugin Debug Objects provides a large number of information: query, cache, cron, constants, hooks, functions and many more.
Use Firebug with FirePHP to analyze the SQL queries made by WordPress. Ideal for development and avoid performance issues.
List query-actions only for admins; for debug purposes
Easily, powerfully, discover why your blog or plugin is slow or cranky. Comprehensive time and database access analyzer. WPmu. multi-lingual.
The plugin analyzes every query to the database. Warning: For PHP 5 only.
The translations reduces speed of WordPress. This plugin offers a caching solution that reduces this effects on performance.
Code for debugging code
Quick and usefull wordpress tunes!
Work with FirePHP, only PHP5 and a sample af values of WordPress
List only plugins that are exclusive for Networks