fffocus is a simple tool that helps you clear your mind before starting your work, or increases your attention span by practicing regularly.

Try it here

1. Select the length of the session
2. Click "Start"
3. Until the session ends, pay attention to the number that is displayed after a short wait time, record it in the text area, separated by space, comma or line break
4. The session will end when the countdown clock hits 0 seconds
5. The score (percentage of numbers recorded correctly) will be displayed

• Show time left and reset on starting a new session

This project was created with web-playground