Page speed (Core Web Vitals)

Adjust page weight, network and optimisations. The simulator estimates Core Web Vitals and a Lighthouse-style score, with a load timeline.

Try also

• 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.
• Cache policies (LRU, LFU, FIFO): Watch step by step what stays in the cache and what gets evicted.