The lack of physical security in the wireless network make lots of software companies try to give the security over their customers’ wireless network. However, most of them are having some weaknesses that make it become useless.

 Wired Equivalent Privacy is proved that the name is not suitable for it because it will easy to break it in a short time. With some many versions of the WEP does not guarantee that will get the physical security.

 To cover all of the lack that the WEP has, WPA or Wi-Fi protected access is created. It is stated as the new version of the WEP and it covers all of the weaknesses of the WEP.

 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.