Proxy Anonmity Levels
Level 1: Elite - connection looks like a regular client (browser) and the server doesn't know that you are using proxy or changed your IP this also known as high anonymouse proxy.
Level 2: Anonymouse - your IP is hidden but target server could still know that you are using a proxy.
Level 3: Transparent - IP is forworded and target server can detect your real IP and knows that you are using proxy also called caching proxy used for caching only.
China Proxy Server List - Page 12
|IP||Port||Type||Anonmity||SSL||Country||Last Check||Latency (s)||Reliability|
|18.104.22.168||8081||HTTP||Elite||No||China||70 Months||15.496 Sec||
While surfing the internet your internet protocol (IP) is being logged by all website you surf. A simple web logs check will fetch the ip addresses of all persons who surfed a particular site. These rexords can be kept for decades. Your privacy is being compromised when surfing websites without a proxy.