Object caching (WordPress)

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WordPress object caching is a technique used to improve the performance and speed of WordPress websites. It involves storing database query results, processed data, or objects in a cache, a temporary storage area, so that subsequent requests for the same data can be served faster.

When a WordPress page is loaded, it often requires fetching data from the database, executing PHP code, and performing various computations to generate the final output. Object caching helps reduce the need to repeatedly fetch the same data or perform the same calculations by storing the results in memory.

Popular object caching systems used in WordPress include Redis, Memcached, and the WordPress Object Cache API, which allows developers to integrate various caching mechanisms into their WordPress sites.

See also