Caching: Speeding Up Your Laravel Application

Caching stores results of expensive operations so they can be reused. ## Cache example ```php $stats = Cache::remember('home_stats', 60, function () { return [ 'posts' => Post::count(), 'users' => User::count(), ]; }); ``` ## Cache flow ```mermaid flowchart LR A[Request] --> B{Cache Hit?} B -->|Yes| C[Return Cached] B -->|No| D[Query DB] D --> E[Store Cache] E --> C ``` Caching is critical for scalable systems. In the next tutorial, we will write automated tests.