Input Lag Test — How Fast Is Your Setup?

Click the target as soon as it appears. Measures time between appearance and your click — a proxy for total input lag.

Click to start
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Last (ms)
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Best (ms)
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Avg (ms)
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Trials

⚡ Input Lag Benchmarks

  • <100ms — System is highly responsive
  • 100–200ms — Good, typical for most setups
  • 200–300ms — Slight delay, noticeable in games
  • >300ms — Laggy. Check GPU, monitor, browser

🖥️ What Affects Input Lag?

  • Monitor refresh rate (144Hz = 7ms vs 60Hz = 16ms)
  • Browser rendering pipeline overhead
  • GPU processing time
  • JavaScript event loop delays
  • Mouse polling rate (1000Hz recommended)