Performance Lab
Performance plugin from the WordPress Performance Team, which is a collection of standalone performance modules.
Community Plugins
These plugins are developed and supported by a community.
Index WP MySQL For Speed
Speed up your WordPress site by adding high-performance keys (database indexes) to your MySQL database…
Performant Translations
Making internationalization/localization in WordPress faster than ever before.
SQLite Object Cache
A persistent object cache backend for the rest of us, powered by SQLite.
Index WP Users For Speed
Do you have thousands of users on your WordPress site? Look them up fast. Find…