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Turn On LiteSpeed Cache for WordPress

This guide shows how to install and switch on the LiteSpeed Cache plugin, so your WordPress site loads faster.

Speed and Performance2 min read15 steps6 screenshots

What is LiteSpeed Cache?

LiteSpeed is a web server program. A web server is the software that sends your pages to visitors. LiteSpeed Cache is a free WordPress plugin that works with it. A plugin is a small add-on that gives WordPress extra features.

The plugin keeps saved copies of your pages. This is called caching. Visitors get a ready page instead of waiting for the server to build it. The plugin also shrinks files and images.

The server cache only works if your server runs LiteSpeed. Ask Hostvento support if your plan does. On other servers, the plugin still has some useful tools, but it will not cache pages in the same way.

Steps

  1. Take a backup of your site.
  2. Log in to your WordPress dashboard. The address is usually yourdomain.com/wp-admin.
  3. In the left menu, click Plugins and then Add New.
    LiteSpeed Cache
  4. Type LiteSpeed Cache in the search box.
  5. Find the plugin and click Install Now.
    LiteSpeed Install
  6. Click Activate.
    LiteSpeed Activate
  7. A new item named LiteSpeed Cache appears in the left menu. Click it.
    LiteSpeed settings
  8. Open General. Check that the plugin works with your server. A message may say so.
  9. Open the Cache settings.
  10. Make sure Enable Cache is set to ON.
    LiteSpeed advanced options
  11. Click Save Changes.
    LiteSpeed changes

Useful extras

  • Page Optimization: Shrinks CSS and JavaScript. These are the files that style your site and make it interactive. Turn on one option at a time and test.
  • Image Optimization: Makes pictures smaller.
  • Browser cache: Tells visitors' browsers to keep files for a while. Look in the Browser tab.

Test it

  1. Open your site in a private browser window.
  2. Load a page twice.
  3. The second load should be faster.
  4. Click through your site to check nothing looks broken.

If something looks wrong, go to LiteSpeed Cache then Toolbox and click Purge All. If it still looks wrong, turn off the options you last changed.

Tip: Do not run two caching plugins at once. Turn off any other one before you start.

Quick recap

  • LiteSpeed Cache saves ready pages to speed up your site.
  • Install and activate it from Plugins then Add New.
  • Make sure Enable Cache is ON.
  • Turn on extras one at a time and test.
  • Use Purge All if the site looks wrong.