Knowledgebase

We automatically install and enable the LiteSpeed Cache for WordPress Plugin (LSCWP) on your websites within 24 hours of installing WordPress. LiteSpeed Cache dramatically improves page load times and helps reduce your website's resource consumption.

Note:

• Automatic optimization is enabled only for Shared, Reseller, and Semi Dedicated Hosting.
  
  
• LiteSpeed Cache will not be installed automatically if another cache plugin is active.
  
  
• No configuration will change if you have installed LSCWP manually.
  
  
• If you want to disable the automatic installation of LSCWP, create a file named .litespeed_flag in your WordPress root directory.
  
  How to disable automatic WordPress optimization?
  
  
• Consider enabling ESI for WooCommerce websites. We do not enable it automatically.
  
  

Before Install: Disable Cloudflare APO

If you are using Cloudflare, disable Cloudflare APO. It is not compatible with LiteSpeed Cache.

Step 1: One-Click Install LiteSpeed Cache for WordPress (LSCWP)

You can install LSCWP from your hosting control panel or WordPress Admin Dashboard:

From cPanel

1. Go to cPanel > LiteSpeed Web Cache Manager > WordPress Cache.
   
   
2. Click "Scan". Wait for your domain to appear in the list.
   
   
3. Click "Enable" next to your domain name.
   
   
4. Done!
   
   

From WordPress Admin Dashboard

1. Log in to WordPress Dashboard.
   
   
2. Go to Plugins > Add New.
   
   
3. Enter "LiteSpeed Cache" in the search field.
   
   
4. Click "Install" on the LiteSpeed Cache plugin.
   
   
5. Click "Activate" on the LiteSpeed Cache plugin.
   
   
6. Done!
   
   

Step 2: Tweak WordPress Plugins

Additional configuration is essential for some popular WordPress plugins. These plugins often have duplicate features, causing various issues with LiteSpeed Cache. Refer to the following guide to configure them:

How to configure WordPress plugins for LiteSpeed Cache?

Step 3: (Optional) Advanced Tuning

LiteSpeed Cache's default configuration drastically improves page load times and is the most stable for production websites. It can be further tweaked to achieve various performance metrics or as an alternative to LiteSpeed Crawler:

How to configure LiteSpeed Cache for the best performance?

Verify LiteSpeed Cache Is Working

Check whether LiteSpeed Cache is caching your website or if there are any errors with your website configuration:

• Go to https://check.lscache.io/
  
  
• Enter your website URL and click CHECK.
  
  Check at least three times.
  
  
• If your website is being served from the cache, you should see a green message:
  
  LSCache is supported
LiteSpeed cache is a hit
  
  And the following will be shown under the "HTTP Header" section:
  
  x-litespeed-cache: hit
  
  
  "Hit" indicates LiteSpeed cache is functioning correctly.
  
  If the value is "miopen thebsitein yourL via browser, refresh the page, and check again.
  If the value is still "miss", refer to the Troubleshooting section below.
  
  
  
• Optionally, you can check HTTP/3 status and various connection properties from the website below:
  
  https://http3check.net/
  
  
  
• Done!
  
  

Troubleshooting

If you are having any issues after enabling LiteSpeed Cache, please refer to the following guide:

How to fix errors after installing LiteSpeed Cache?

Getting Support

Contact LiteSpeed directly if you are having any issues or need help with the LiteSpeed Cache plugin:

https://account.quic.cloud/plugin/support_manager/client_tickets/departments/
https://www.quic.cloud/support/
https://wordpress.org/support/plugin/litespeed-cache/