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A website can get information about your browser and system via several methods:

  • user agent,
  • javascript attributes (like navigator.platform),
  • profiling by testing avalaible browser features (Javascript API for example),
  • asking available browser plugins,
  • etc.

This website shows some of these: http://www.webreference.com/tools/browser/javascript.html

At least, I would like to know how to spoof the user agent and javascript attributes so that the website cannot detect my OS. I did it once by patching Chromium source code, but I'm looking for an easier way.

I'm interested in solutions for Chromium (Chrome) and/or Firefox.

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  • @techie007 I already saw all these questions, none consider the javascript attributes. You can check that on the website I mention in my question, it will still detect Linux or Windows even if you change your user agent because that information is available through Javascript navigator.platform. Hence the "really" in my question title. This is not a simple duplicate.
    – Totor
    Mar 26, 2014 at 18:17
  • Maybe you should have noted you already saw/considered those in your question. Can you explain how your question is actually different than what's mentioned in How can I make my browser lie about my operating system?? To me, they both appear to be about trying to spoof the OS detected by JavaScript. Mar 26, 2014 at 19:05

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