We use "LiteSpeed Cache for WordPress" (LSCWP), in combination with our LiteSpeed Enterprise web server you can use exclusive features for free and save any other premium caching plugin. LiteSpeed Cache Features GENERAL FEATURES Free QUIC.cloud CDN Cache Object Cache (Memcached/LSMCD/Redis) Support Image Optimization (Lossless/Lossy) Minify CSS, JavaScript, and HTML Minify inline & external CSS/JS Combine CSS/JS Automatically generate Critical CSS Lazy-load images/iframes Responsive Image Placeholders Multiple CDN Support Load CSS Asynchronously Defer/delay JS loading Browser Cache Support Database Cleaner and Optimizer PageSpeed score (including Core Web Vitals) optimization OPcode Cache Support HTTP/2 Push for CSS/JS (on web servers that support it) DNS Prefetch Cloudflare API Single Site and Multisite (Network) support Import/Export settings Attractive, easy-to-understand interface WebP image format support Heartbeat control LITESPEED EXCLUSIVE FEATURES Automatic page caching to greatly improve site performance Automatic purge of related pages based on certain events Private cache for logged-in users Caching of WordPress REST API calls Separate caching of desktop and mobile views Ability to schedule purge for specified URLs WooCommerce and bbPress support WordPress CLI commands API system for easy cache integration Exclude from cache by URI, Category, Tag, Cookie, User Agent Smart preload crawler with support for SEO-friendly sitemap Multiple crawlers for cache varies HTTP/2 support HTTP/3 & QUIC support ESI (Edge Side Includes) support Widgets and Shortcodes as ESI blocks (requires Classic Widgets plugin for WP 5.8+)