Glossary term
What is Server-Timing (Server-Timing header)?
Server-Timing stands for Server-Timing header.
A response header where the server reports how long each of its steps took. DevTools shows it in the Timing tab.
Learn it properly · Scenario DebuggingLesson 2: “The UI Is Fast but the API Takes Too Long”: How to Solve ItFollow the request: DNS and TLS, cold starts, N+1 queries, missing indexes, slow calls to other services, big payloads and missing caches. Then the UX fixes while the backend is repaired.