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.
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Ninja Cloak is a free anonymous web based proxy service. With Ninja Cloak you can browse your favorite web sites anonymously and even from behind a firewall with blocked ports.
