Performance
Latency
Latency is the time delay between sending a request and receiving a response — the single-operation speed users feel.
Diagram
User click ──▶ [Network 50ms] ──▶ [Server 20ms] ──▶ [DB 30ms] ──▶ Response Total latency felt by user: ~100ms
In Depth
Latency measures how long a single operation takes from start to finish, typically in milliseconds. It answers: "How fast does one request complete?"
Related Terms