Only target flow can give your site more profit
 

Online there are some methods can bring a lot of non target flow. Such as optimizing some website not related but popular keywords, buy intimidating pop-up ads, even use rogue plug-ins, etc. But one was watching the Olympic Games news, somehow or other to pop up a window, forcing the user to open a a purchase of the air compressor's web site, you feel that the user will be on the website to buy anything?