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Caching is a technique for temporarily storing data, used particularly in WordPress sites and web browsers, to speed up access to information. There are several types of cache: page cache, which maintains a static version of web pages; object cache, which stores data from database queries; browser cache, which saves static files on the user’s device; and database cache and fragment cache, which respectively optimize request processing and the loading of specific parts of pages. This caching significantly improves performance and user experience, while also allowing for manual clearing to refresh content.

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