What are the main types of caching available in WordPress?

WordPress offers several key caching types to improve performance:

  • Page Caching: Stores complete HTML pages to serve static versions to subsequent visitors
  • Object Caching: Stores database query results and PHP objects in memory using Redis or Memcached
  • Browser Caching: Allows browsers to store static assets locally
  • Database Caching: Stores frequently accessed database queries

The most effective approach is typically implementing multiple caching layers. For WordPress 6+, popular caching plugins like WP Rocket, W3 Total Cache, and LiteSpeed Cache can handle these different caching types automatically.

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