What is object caching and how can I implement it in WordPress?

Object caching is a technique that stores the results of complex database queries in memory for faster access. In WordPress, it’s particularly useful for:

  • Reducing database load
  • Speeding up dynamic content delivery
  • Improving overall site performance

To implement object caching, you’ll need a memory-based caching system like Redis or Memcached, and a compatible plugin. The Redis Object Cache plugin is an excellent choice for implementing object caching. It provides seamless integration with WordPress and offers features like:

  • Automatic cache invalidation
  • Debug mode for monitoring cache operations
  • Support for multiple cache backends

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