Sylius Performance & Caching on Shared Hosting: OPcache, Redis, LiteSpeed, and Symfony Warmup
Sylius inherits Symfony's cache-heavy architecture, so slow page loads on shared hosting almost always trace back to a cold container, missing OPcache, or an unwarmed prod cache. This guide diagnoses the real bottlenecks and fixes them using only PHP Selector, .user.ini, Redis, LiteSpeed, and the Sylius console.