A latency number in isolation doesn't mean much — here's how different ranges actually translate to perceived experience.
Under 50ms
Feels instantaneous to virtually everyone — the gold standard for interactive applications.
50-150ms
Still feels responsive for most web browsing, though noticeable in very latency-sensitive applications like competitive gaming.
150-300ms
Starting to feel like a slight delay, often the range for connections crossing long international distances.
Over 300ms
Clearly noticeable lag, the kind of delay that makes interactive applications feel sluggish and frustrating.
Context Matters
Loading a static page tolerates higher latency far better than a real-time video call or online game, where the same delay feels much more disruptive.
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