Wait for the green flash — then click as fast as you can.
Your reaction time is the gap between a stimulus and your response. This test measures it in milliseconds across 5 attempts and gives you an average. In a browser-based test like this, most people land somewhere between 250–350ms — competitive gamers tend to be towards the lower end.
A reaction time test measures how quickly your brain processes a visual signal and triggers a physical response. In competitive gaming — especially PvP combat in games like Minecraft — faster reaction times mean you land hits sooner and dodge attacks more reliably. In a browser-based test, most people score between 250–350ms; the variation is normal and partly down to screen refresh rate and input latency rather than raw reflexes alone. To improve your genuine reaction speed, minimise hardware lag, practise consistently, and avoid things that slow your reflexes like fatigue and dehydration. Short focused sessions beat long grinding ones.