WP rocket is the most popular paid caching plugin for WordPress. There are many other free popular cache plugins available like W3 Total Cache and WP Super Cache. But WP Rocket is not just a simple cache plugin. It has many features that do more than a regular free cache plugin. This plugin offers lots of customization settings such as media optimization, pre-loading, lazy-loading, database optimization and much more. It also works perfectly with all popular plugins – Yoast SEO, Cloudflare, Sucuri and many others.