Performance and scaling
Find what makes a site slow, cache at every layer, and grow from one server to several without a rewrite.
- Advanced
- Level
- 3
- Lessons
- 5 min
- Study time
Course content
- 1. Measuring before you optimiseGuessing why a site is slow wastes days. Measure first, then fix the biggest cost.2 min
- 2. Caching at every layerThe fastest request is the one your server never has to compute. Caching works at several layers, each with a different job.2 min
- 3. Scaling beyond one serverWhen one server is no longer enough, first scale up (more CPU and RAM). It's simple and often enough. When it isn't, scale out.1 min