# Installing and configuring the LiteSpeed Cache for WordPress plugin

> Install and set up the LiteSpeed Cache plugin to speed up your WordPress site using the LiteSpeed web server's built-in caching.

Source: https://helpcenter.ruachost.com/wordpress/guides/installing-and-configuring-the-litespeed-cache-for-wordpress-plugin/

The **LiteSpeed Cache for WordPress (LSCWP)** plugin improves site performance by leveraging the LiteSpeed web server’s built‑in page caching. It stores dynamically generated pages in cache, resulting in faster load times for visitors. On **ruachost.com**, installation and configuration are straightforward.

## Why Use LiteSpeed Cache?

- Significantly improves page load speed.
- Reduces server resource usage.
- Provides advanced optimization features (image optimization, CSS/JS minification, CDN integration).
- Works seamlessly with WordPress multisite and WooCommerce.

## Installing the Plugin

1. **Log in to WordPress** as the administrator.
2. In the left sidebar, click **Plugins → Add New**.
3. In the search box, type **LiteSpeed Cache**.
4. Locate the plugin and click **Install Now**.
5. After installation, click **Activate**.

✅ The plugin is now installed and ready to configure.

## ⚙️ Configuring the Plugin

1. **Access Settings.**

   - In the WordPress dashboard, click **LiteSpeed Cache → Settings**.
2. **General Tab.**

   - Configure **TTL (time‑to‑live)** settings to control how long content types remain cached.
3. **Cache Tab.**

   - Manage caching for special content types (e.g., login pages, REST API calls).
4. **Purge Tab.**

   - By default, cache is purged when plugins, themes, or WordPress itself is updated.
   - You can also manually purge cache:

     - Go to **LiteSpeed Cache → Manage → Purge**.
5. **Excludes Tab.**

   - Define which content types should not be cached.
6. **Optimize Tab.**

   - Enable CSS/JS minification, image optimization, and other performance tweaks.
   - ⚠️ Test thoroughly — aggressive optimization can break site functionality.
7. **CDN Tab.**

   - Configure Content Delivery Network settings for global performance.
8. **ESI Tab.**

   - Use **Edge Side Includes (ESI)** to cache portions of pages separately.
9. **Advanced Tab.**

   - Miscellaneous advanced settings. Be cautious — incorrect changes may cause site issues.
10. **Debug Tab.**

    - Enable debugging options to troubleshoot problems.
11. **Save Changes.**

    - After configuring, click **Save Changes** to apply settings.

> **Note:**
- Default settings are appropriate for most sites.
- Always test your site after making changes to ensure functionality.
- Combine LiteSpeed Cache with a CDN for maximum performance.