- <p>There is enough information in the user agent that sometimes only a few visitors to a website will be the same.
- If the user agent is combined with another piece of non-unique identifying information, often it results in a unique fingerprint.
- The Electronic Frontier Foundation created a tool called <a href="https://coveryourtracks.eff.org/">Cover Your Tracks</a> to demonstrate how much information can be gleaned from these sources.
- If this test is run with JavaScript enabled the amount of information that is disclosed increases greatly.
- <a href="https://www.browserleaks.com">Browser Leaks</a> and <a href="https://amiunique.org/">Am I Unique</a> are also good sources of information on this topic.</p>
+ <p>仅有很少一部分用户访问网页的UA相同。如果UA结合其他不特定的信息,通常能得到一个特定的指纹。EFF创立了一个叫<a href="https://coveryourtracks.eff.org/">Cover Your Tracks</a>的工具来展示可以从这些资源收集到多少信息。
+ <a href="https://www.browserleaks.com">Browser Leaks</a>和<a href="https://amiunique.org/">Am I Unique</a>也是一个很好的信息来源。</p>