Input Lag Simulator
Test the total system latency and your reaction time.
(Note: This measures combined human + system delay)
1. Wait for Green
The screen will stay Red. Wait for it to turn Green.
2. Click Fast
Click or tap anywhere as soon as you see Green.
3. Get Rated
Complete 5 rounds to get your average score and rank.
Wait for Green...
Don't click yet!
Round 1 / 5 · Press ESC to exit
Test Complete!
Here is your average reaction time
-- ms
Calculating...