Caching reduces load but can introduce confusion if dynamic pages or logged-in sessions are cached.
Prerequisites
- A working WordPress site
- You know which pages must remain dynamic (cart, checkout, account, admin)
Best practices
- Avoid caching logged-in sessions
- Exclude dynamic routes
- Test after enabling
Layers to consider
- Page caching
- Object caching (e.g. Redis)
- CDN caching — see Cloudflare + WordPress origin basics
Related
- Performance tuning for WordPress on Ubuntu + Apache + PHP-FPM — server-side tuning and caching strategy