What exactly does WP Rocket do?
This article shows all the features included in WP Rocket has to optimize a WordPress website.
Note: WP Rocket can adjust the settings when certain plugins, themes, and hosting environments are detected. Also, the settings can be modified by a third-party.
Automatic features
The following features are fully automated, and they are not represented on WP Rocket’s settings page:
- Page Cache, including Mobile Cache
- Optimize Critical Images
- Automatic Lazy Rendering
- Preconnect to external domains
- Browser caching
- GZIP compression
- Cross-Origin support for web fonts
- WooCommerce Refresh Cart Fragments Cache
- Optimize Google Fonts files
- Disable WordPress Emoji
Default settings
The following settings are activated or configured by default when you activate WP Rocket for the first time:
- Minify CSS files, in the File Optimization tab.
- Minify JavaScript files, found in the File Optimization tab.
- Cache Lifespan set to 10 hours
- Preload Cache
- Preload Links
- Heartbeat Control set to Reduce Activity
- Disable all options except the above.
- Or, delete and reinstall WP Rocket.
Rocket Insights tab
The Rocket Insights add-on helps you monitor the performance grade of your website based on specific pages.
File Optimization tab
The options found in this tab apply on the CSS and JavaScript assets of the website:
- Optimize CSS delivery
- Load JavaScript deferred
- Delay JavaScript execution
Media tab
The options in this tab optimize the images and fonts of your site:
- LazyLoad for images
- LazyLoad for CSS background images
- LazyLoad for iframes and videos
- Add missing image dimensions
- Self-host Google Fonts
- Preload fonts
Preload tab
The features in this tab improve the navigation in the site:
Advanced rules tab
The features which can be used to fine-tune the cache feature can be found in this tab:
- Cache Lifespan
- Never Cache URLs
- Never Cache Cookies
- Never Cache User Agents
- Always Purge URLs
- Cache Query Strings
Database tab
You can find all these database optimizations in this tab:
- Post Cleanup: Revisions, Auto Drafts and Trashed Posts
- Comments Cleanup: Spam Comments and Thrashed Comments
- Transients Cleanup
- Database Cleanup
- Automatic Cleanup
CDN tab
The CDN option can be found in this tab.
Heartbeat tab
This tab contains the Control Heartbeat feature.
Add-ons tab
This tab contains the add-ons used to extend or manage some WP Rocket's compatibilities:
Tools tab
In this tab, you can find other WP Rocket's options, such as: