WP Rocket v3.21.1 Plugin

WP Rocket is a caching plugin which speeds up WordPress site loading and improves performance by effectively removing the need to reload the page when content changes. WP Rocket will cache individual posts, pages and custom post types in the background so that they load instantly whenever they are viewed again.

Core Features of WP Rocket Plugin

• Compatible with CDN
• Easy to configure and setup
• Optimization of Google fonts
• Preload cache support
• Reduce the size of the database by optimization
• Browser caching support
• Allows you to remove query strings
• Helps you to get 90+ Google page speed insights score
• Integration with Cloudflare
• Different cache for mobile site
• Improve the overall performance of the site
• No technical knowledge is required to use
• Works with all types of sites
• Easy-to-understand settings
• Automatically enables recommended settings on installation
• Lazy images, iFrames, and videos
• Files optimization supports
• Files compression support
• Custom cache lifespan
• Allows you to Prefetch DNS requests
• Forced cache refresh option
• Preloading of pages
• Preload URL’s from sitemaps
• GZip compression

What’s New (Changelog) in WP Rocket v3.21.1

v3.21.1 - April 7th, 2026
Enhancement: New recommendations added to Rocket Insights related to RocketCDN and Imagify (#8216)
Enhancement: Improve Rocket Insights copywriting (#8219, #8221, #8228)
Enhancement: Clear data related to Optimize Critical Images feature when site logo changes (#6795)
Bugfix: Fixes related to data collection (#8034, #8239)

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