proxy server is a server thing that doing something as an go-between for requests from people internet browsers looking for resources from other servers. A people internet browsers connects to the proxy server, requesting some service, such as a file, web page, resource available from a another server and the proxy server evaluates the application request as a way to simplify and control its complexity.Meanwhile, most of the proxy servers are web proxies, assisting access to content on the world and some of them providing your personality. A caching proxy server accelerates http requests by receiving web pages or files saved from a previous http request made by the another computer. Caching proxies keep local copies of frequently requested resources, allowing large ISP to reduce their traffic bandwidth usage, while significantly increasing performance. Some spain proxy servers can hide your identity, also they can provide secure things, like to hide you from some watching ads networks with boring ads. Another thing, with you can bypass some youtube, facebook, video and many other social network limitations, unlock youtube content for your country, bypassing it.