cpstest
Check your click per second with this amazing website CPSTEST.ORG
...Quickly after clicking the button, start clicking with your mouse as fast as you can in the given timeframe. A timer above the box will show the time passed.
3. Once the time runs out, the final score of the player will be presented. The score is shown with CPS.
It is just the frequency of clicks to a time unit; in this situation, seconds. It means you increase your frequency of clicks tend to increase your score. While the game is set to default time for 5 seconds, players can switch to other time varieties from the menu on the right sidebar of the page. It includes mainly - clicks per 10 seconds, clicks per 15 seconds, clicks per 30 seconds, clicks per 60 seconds (1 minute), and the giant being click per 100 seconds.