Calculate speed of typing

It s the source for a typing trainer.You can use it on you own form. It lets you type wrong keys and delete.

"网站 自动化 宣传机器 网站优化工具,优点:平民化傻瓜式操作,让网站优化比打字还简单.-" Web site optimization tool automation propaganda machine advantages: civilians fool-operation, so that website optimization is also simpler than typing.