Cache policies (LRU, LFU, FIFO)
Send a series of requests through a small cache and compare eviction policies. The access pattern matters: a cyclic scan can completely defeat an LRU cache.
Try also
- Page speed (Core Web Vitals): Images, JavaScript, CDN, caching: watch LCP, CLS and the score change.
- Traffic & server scaling: How many servers you need at peak traffic and what autoscaling costs.
- Uptime & SLA: Compose an architecture and find out how many minutes a year it may be down.