A proxy that focuses on WWW traffic is called a "web proxy".It's most common use is as a "web-cache". It provides a mean to deny access to certain URLs in a blacklist, thus providing content filtering. Some web proxies reformat web pages for a specific purpose or audience.
Comment
ProxyBuster is a service which allows you to anonymously download files that are blocked by your firewall, proxy server, or ISP (Internet Service Provider).