The Reflex Hub is a collection of free browser games that measure human performance skills: reaction time, clicking speed, typing speed, aim precision, and short term memory. Every test runs entirely in your browser, gives you a score in seconds, and shows you how that score compares with published averages. The site exists for gamers warming up before a match, typists checking their words per minute, students taking a study break, and anyone who simply wants to know how quick they really are.
Our Philosophy
We built this site around a few stubborn principles. First, instant loading: every page is static, lightweight, and playable within about a second, even on a mid range phone. Second, no signup: you will never hit a login wall, an email capture form, or a locked result. Third, no dark patterns: there are no fake leaderboards, no countdown timers pressuring you to share, and no results held hostage behind a paywall. And fourth, your data stays yours. Scores and personal bests are stored with localStorage, a standard browser feature that keeps data on your own device. Nothing you do here is uploaded to a server or connected to your identity. The tradeoff is that scores do not sync between devices, and we think that is a fair price for genuine privacy.
How We Benchmark Scores
A score only means something next to a reference point, so every test on The Reflex Hub compares your result against widely published averages rather than numbers we invented. For reaction speed, we use the commonly cited average visual reaction time of 273 ms. For typing, the reference is the average typing speed of 40 WPM, with professional typists landing around 65 to 75 WPM. For clicking, the benchmark is roughly 6.5 clicks per second on a standard 10 second test. Percentile tables on each results card are calibrated to these figures, so when the site says you beat 80 percent of people, that claim is anchored to real published data.
Honest Limitations
Browser tests are accurate enough for meaningful self comparison, but they are not laboratory instruments, and we would rather say so plainly. Your measured reaction time includes hardware and software latency: monitor refresh rate, mouse and keyboard delay, and browser overhead can add anywhere from 10 to 50 ms to the number you see. A 60 Hz display alone can add up to 16 ms compared with a 240 Hz gaming monitor. That overhead is roughly constant on a given setup, which means your scores are highly comparable with each other over time, just not perfectly comparable with a friend testing on different hardware. For honest progress tracking, use the same device and browser, and pay attention to trends rather than single runs.
Not a Medical Tool
The tests on this site are for fun, practice, and casual self measurement. They are not a medical or psychological diagnostic tool, and no score here can identify, rule out, or monitor any health condition. Many things move these numbers day to day, including sleep, caffeine, stress, and simple practice effects. If you have concerns about your reflexes, attention, coordination, or memory, please speak with a qualified healthcare professional rather than relying on a browser game.
Get in Touch
Found a bug, spotted an inaccurate benchmark, or have an idea for a test you would love to see? We read every message. Head over to the contact page and tell us what is on your mind.