Search engine some other time did not show the things that the visitor wants to get. Some of them not related with the thing that they are looking for.

 However, using the Auto Redirecting, it will directly show the visitor to the thing that they want to get. However, not all of search engines agree with this auto redirecting, many search engines are block this auto redirecting. The search engine will penalize some of the methods, which are using auto redirecting.

 Some methods are easily detected. The Meta Refresh Tag technique is one of the methods that easily detected. While there are some methods, that not easily detected, just like Java Script Technique.