What really helped me improve my typing speed is... giving more tries and focusing on the accuracy rather than the speed. Only when you press the right button your context will be right! With more tries your speed will improve!!

The tip to improve the typing ability is to aim only at accuracy and then the speed comes with it eventually.

When my fingers hurt after too much time on the keyboard, I... take a break...

My tip to improve your typing speed is to... put more hardwork and practice a lot.