200ms Rule Every Backend Developer Must Know

Users don’t measure milliseconds —
but they feel them.

If your API response time goes beyond 200ms,
the frontend starts feeling slow,
animations stutter,
and user trust drops.

In this video, I explain:
• Why 200ms is the sweet spot for APIs
• How slow APIs affect UX & retention
• What causes high response times
• How caching & pagination help

Fast APIs are invisible.
Slow APIs are noticeable.

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Видео 200ms Rule Every Backend Developer Must Know канала CodeShastra