Adds a widget to the Dashboard showing your NodeQuery monitored server details. Requires an API key from NodeQuery. This is an unofficial plugin.

Hyper Cache is a performant and easy to configure cache system for WordPress.

The smallest cache plugin ever released (but still greatly efficient).

Adds the ETag, Last-Modified, and if appropriate 304 headers to HTTP responses generated by WordPress for more efficient caching.

Control WP Heartbeat API to speed up website and reduce server CPU Load.

Super Simple Speed is a stable and powerful plugin that dramatically increases your page speed without any hassle (or clutter).