Caching is the fastest way to reduce load time — and one of the easiest SEO wins on WordPress. A cache plugin stores ready-made pages, so your server does not rebuild every page for every visitor.
The four kinds of cache
- Page cache — serves finished HTML instantly
- Browser cache — repeat visitors load files from their own device
- Object cache — fewer database queries on busy sites
- CDN cache — files served from a server close to each visitor
Which plugin should you use?
- LiteSpeed Cache — the best choice if your host runs a LiteSpeed server
- WP Rocket — premium, simple and reliable on almost any host
- Fast Velocity Minify — handy for combining and minifying CSS and JavaScript
Use one caching plugin, not three. Overlapping caches cause more problems than they solve.
After you switch caching on, test your key pages in PageSpeed Insights and check that forms, carts and logged-in areas still work.
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