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I change my IP, and then I want to access a website with a new identity I also need to delete the cookies. Would that be enough? Are there any other ways to store information and get it back with the next request?

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    What is your concern/goal? being anonymous for a single site? On all sites? Answers vary from use incognito mode to use a vpn depending on your needs. – iainpb Nov 10 '17 at 13:29
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    Without knowing OP's use case even Tor can be bad advice. There is no universal anonymity solution that works for all scenarios. (E.g.: If you're a whistleblower at your company but the only one using Tor, it's easy for the admins to correlate it's you despite the measures you've taken.) – Arminius Nov 10 '17 at 14:40
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Use the Tor browser.

There are many ways besides cookies to track browsers, especially if you have Javascript enabled. The Tor browser pervents most of the more common browser fingerprinting techniques.

This site explains how browsers can be tracked, and has a feature to test if your browser is vulnerable.

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    panopticlick.eff.org is a cool little tool the EFF made that shows the ways that your specific browser allows unique identification. – Adonalsium Nov 10 '17 at 13:26
  • @Fistbeard I was pointed to amiunique.org a few weeks ago, and they came to the conclusion that yes, among the users that have visited their site, I was unique. – Arthur Nov 10 '17 at 13:44
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Along with 0x40's suggestion to use the TOR browser, I would recommend looking into booting to a secure OS such as tails. Tails uses the TOR network for all of your networking, preventing other avenues of attack.

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