What is page caching and how does it work in WordPress?

Page caching is a technique that creates static HTML versions of your dynamic WordPress pages. Instead of processing PHP and querying the database for each visit, cached pages are served directly to users, significantly improving load times.

For WordPress sites, you can implement page caching using the popular WP Super Cache plugin. This plugin offers:

  • Simple setup with immediate caching benefits
  • Multiple caching methods (PHP, mod_rewrite, legacy)
  • Cache preloading for frequently accessed pages
  • Configurable cache expiry times

To maximize effectiveness, combine page caching with other optimization techniques like browser caching and CDN integration.

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