Speed Tester

Speed Tester is a fun and engaging Chrome extension designed to measure your reaction speed. The gameplay challenges you to press flashing buttons in the exact order they appear, accelerating in speed as you progress. Make a mistake and the game ends — can you keep up and claim a top spot on the high scores table?

Want more? Upgrade to the PRO version to enjoy added sounds, star level achievements, and customizable Gamepad colors. Recent updates include an option to skip the pro version popup, a button for easy purchasing within settings, display of tick intervals in milliseconds, and improved score name retention. Perfect for friendly competition and sharpening your reflexes!