Here you can find a HTTP proxy checking software - Check Proxy Professional (HTTP) and huge amount of HTTP proxies in our database. What is a proxy server? Proxies are store-and-forward caches. Proxies can be used as a sort of firewall, because it isolates you from connecting to the Internet. What are the advantages of using a proxy server? An advantage of using a proxy server is that its cache can serve all users. If one or more Internet sites are frequently requested, these are likely to be in the proxy's cache, which will improve user response time. There are different types of... [ read more about Check Proxy Professional HTTP >> ]