Use this simple and engaging popup to test your reaction times. See how fast your basic reflexes are in milliseconds and compare the times with your friends! Use it while you're waiting for a page to load, in a meeting, at school, or just trying to get a new high score!
UPDATE 2.0 - Made milliseconds completely accurate.
谷歌浏览器、其他Chromium内核的浏览器
为打击盗链困扰,本站已启用人机验证
微信扫码关注左侧公众号,发送“插件”二字获得验证码,验证码5分钟全站有效