Page caching

Full-page caching stores a reusable HTML response for eligible requests. That can bypass much of the repeated PHP and database work required to render a public page.

Browser caching

Browser caching tells visitors' browsers how long static resources such as images, CSS, and JavaScript can be reused locally.

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Object and database caching

Object caching can reuse expensive application data between requests. Database-side tuning is a different layer from page caching and becomes important on dynamic or logged-in workloads.

CDN caching

A CDN can cache eligible assets—and sometimes HTML—closer to visitors. The configuration must respect cookies, personalization, and purge behavior.

Choose one page-cache owner

Know whether your host, web server, CDN, or plugin owns full-page caching. Overlapping layers are not automatically faster and can make purging or debugging harder.