The test will stop as soon as you make a mistake! The score is (percentage of typed text) * WPM. Those scores will not be saved in your profile.
The timer start when you start typing. However, if you wait more than 3 seconds, the timer starts anyway.
The acceleration and deceleration lets you see where you speed up and slow down during the typing test.
Bad case is when the case is incorrect. You typed '. the' instead of '. The'.
Bad ordering is when you typed a letter too early. For example, you typed huose instead of house. The U came too early.
Doublet is when you typed a character twice. For example homee or commmunity.
Other mistakes are not categorized.
Red is if you decide to not fix a mistake. A penalty will be applied to your score.