WordPress VPS Optimization: Nginx FastCGI Cache, OPcache & Database Basics
Caching layers for WordPress on a VPS, in the order that pays off: PHP OPcache, Nginx FastCGI page cache with safe bypass rules, then database and object cache.
Topic
WordPress VPS
WordPress VPS Optimisation: Page Caching, Object Caching and MySQL Memory
Make WordPress fast on a VPS by fixing things in the right order.
WordPress VPS Requirements: 4 GB vs 8 GB vs 16 GB RAM
WordPress VPS sizing guide comparing 4 GB, 8 GB and 16 GB plans by PHP workers, caching, WooCommerce, database memory, storage and real workload metrics.