WP Rocket WordPress Plugin
Version 3.15.7 · updated
SKU: 2
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Product details
- Version on file
- 3.15.7
- Developer
- WP Rocket
- Released
- 2022/09/28
- File size
- 5.95 MB
- License
- GPL
About WP Rocket WordPress Plugin 3.15.7
WP Rocket is a well-known WordPress performance plugin. It speeds up a site by caching pages, optimising CSS and JavaScript files, and loading images and other media only when needed. The file on record is version 3.15.7, released in September 2022.
Most of its options are on or off settings in one screen, so it needs less setup than older caching plugins. It does change how your pages are built, so test every important page after each change. The file is from 2022, so check it on a staging site with your current WordPress and PHP.
Requirements
- WordPress
Key features
- Page caching
- Stores ready-made copies of your pages so visitors don't wait for WordPress to build them each time.
- File optimisation
- Minifies and combines CSS and JavaScript files, and can delay scripts until a visitor interacts with the page.
- Lazy loading
- Loads images and iframes only when they scroll into view.
- Preloading
- Builds the cache ahead of visitors by crawling your pages.
- Database and CDN options
- Includes database cleanup tools and settings for connecting a content delivery network.
Is it right for you?
A good fit for
- Site owners who want a single plugin for caching and front-end optimisation
- Agencies that need an easier setup than hand-tuned caching rules
Look elsewhere if
- Sites on hosts that already run server-level caching and warn against page-caching plugins
- Anyone who wants to run it alongside another full caching plugin; the two conflict
How to install WP Rocket WordPress Plugin 3.15.7
- 1
Download the file
Open My Account → Downloads and download the product. If the archive contains several zips (documentation, child theme, licensing files), you need the one named after the product.
- 2
Upload it to WordPress
In your dashboard go to Plugins → Add New Plugin → Upload Plugin and choose the zip.
- 3
Install and activate
Click Install Now, then Activate. If an older or free copy is already installed, WordPress offers to replace it with the uploaded version.
Notes for this product
- Deactivate any other page-caching plugin before enabling this one. Some hosts add their own caching, so check your host's guidance first.
Setup: using WP Rocket WordPress Plugin 3.15.7
- Test on a staging site. The file is from 2022, so activate it on a copy of your site first.
- Turn on caching. Open the plugin's settings from the Settings menu and enable page caching on the cache tab.
- Enable file optimisation step by step. Switch on minification, then combining and delay options one at a time, checking your pages after each.
- Enable lazy loading and preloading. Turn on image lazy loading and cache preloading.
- Test key pages. Check the home page, forms, checkout and menus while logged out.
Common problems and fixes
The layout breaks or a feature stops working after enabling file optimisation
- Why it happens
- Combining or delaying JavaScript and CSS can break scripts that depend on load order.
- How to fix it
- Turn off the last option you enabled, then add the affected script or file to the exclusion list.
Content changes don't show to visitors
- Why it happens
- Visitors are being served an older cached copy of the page.
- How to fix it
- Clear the cache from the plugin's toolbar menu after editing, and clear any host or CDN cache too.
Cart, checkout or account pages show wrong data
- Why it happens
- A dynamic page was cached, or another caching layer is interfering.
- How to fix it
- Exclude those pages from caching and disable overlapping caching from other plugins or your host.
“The link you followed has expired.” when uploading
- Why it happens
- The zip is larger than your server's PHP upload limit (upload_max_filesize / post_max_size).
- How to fix it
- Raise the upload limit in your hosting control panel, or unzip the file and upload the folder to wp-content/plugins with your host's file manager or SFTP.
“The package could not be installed. No valid plugins were found.”
- Why it happens
- The uploaded zip is a bundle (or a theme), not the plugin itself.
- How to fix it
- Unzip the download once and upload the inner zip named after the plugin.
“Plugin could not be activated because it triggered a fatal error.”
- Why it happens
- Usually a PHP version older than the plugin needs, or a second copy of the same plugin (for example the free version) still active.
- How to fix it
- Check your PHP version under Tools → Site Health → Info, deactivate any other copy of the plugin, and enable WP_DEBUG_LOG to see the exact error.
Licence or “updates unavailable” notices
- Why it happens
- The developer's licence key isn't included. Features that call the developer's servers (template libraries, cloud APIs, automatic updates) need it.
- How to fix it
- Everything that runs locally works without it. For a newer file, use Request an update from your account.
Frequently asked questions
Does it replace my CDN?
No. It caches and optimises your own pages; it has settings for connecting a CDN.
Can I use it with another caching plugin?
No. Run one page-caching plugin at a time, because two will conflict.
Which version is the file?
The file on record is version 3.15.7, released in September 2022.
Will it work with a shop?
Caching plugins generally need cart, checkout and account pages excluded. Check those pages after you enable caching.