Thousands of people have already joined keybr.com. See what some of them say:
I will say that keybr is the nicest typing program I've used. Before, I had used some other software in
elementary school, but it had little lasting effects on my typing skills. Up until recently I had been
typing quite poorly and slowly. I think keybr has been a big help, and I really appreciate its simple,
— Nathaniel Palmer
Keybr.com is my personal choice for continuous improvement of typing skills.
I can have a 10 minute session wherever I am and my stats always go with me.
The best part is that the developer is very approachable, A+++ would buy again ;-).