WP Rocket v3.18.3 is the latest release of the leading caching and performance optimization plugin for WordPress. Designed for speed, simplicity, and stability, WP Rocket significantly improves site loading times, Core Web Vitals scores, and overall user experience—without requiring technical expertise.
This version, 3.18.3, includes key fixes and improvements to maintain compatibility with the latest WordPress standards and ensure peak performance.
This version, 3.18.3, includes key fixes and improvements to maintain compatibility with the latest WordPress standards and ensure peak performance.
Key Features of WP Rocket v3.18.3
- Page caching for ultra-fast load times across all types of content
- Cache preloading and sitemap-based crawling to optimize indexation
- File optimization: minify and combine CSS, JS, and HTML for smaller page sizes
- Delay JavaScript execution to improve LCP and reduce render-blocking resources
- Remove unused CSS to reduce page weight and boost performance scores
- Lazy loading of images, iframes, and videos for faster perceived speed
- Database optimization: clean up revisions, drafts, transients, and more
- CDN compatibility and easy integration with Cloudflare, Bunny, StackPath, etc.
- WooCommerce and multilingual plugin compatibility (WPML, Polylang, etc.)
- Mobile caching and separate cache for mobile devices
- GZIP compression and browser caching rules
- Built-in exclusions and fine-grained control over caching behavior
Changelog – WP Rocket v3.18.3 (March 2025)
Released: March 2025- Fixed an issue where the Remove Unused CSS feature was skipping certain inline styles on dynamic pages
- Improved compatibility with WordPress 6.5 and PHP 8.3
- Updated detection logic for WooCommerce and EDD pages to avoid unintended caching
- Resolved a conflict with specific themes causing JavaScript errors when Delay JS execution was active
- Improved preloading logic to better handle multilingual sitemaps (WPML and Polylang)
- Minor UI tweaks and accessibility improvements in the plugin settings interface
- Updated internal libraries and codebase for better long-term maintainability