1. Your browser fingerprint can reflect:

  • the User agent header
  • the Accept header
  • the Connection header
  • the Encoding header
  • the Language header
  • the list of plugins
  • the platform
  • the cookies preferences (allowed or not)
  • the Do Not Track preferences (yes, no or not communicated)
  • the timezone
  • the screen resolution and its color depth => Javascript
  • the use of local storage
  • the use of session storage
  • a picture rendered with the HTML Canvas element
  • a picture rendered with WebGL
  • the presence of AdBlock
  • the list of fonts

Note: Javascript, Flash, fonts, user agent are keys to define fingerprint.

2. How to change browser fingerprint

Modify browser fingerprint by modify each element such as: OS, Time zone, browser version, language, resolution…

+ Browser modification and tweaks

+ Browser extension and add-ons


+ Tor browser

3. Browser fingerprint on Smartphones: 

smartphones can be fingerprinted using internal sensors – and there’s nothing the user can do about it.

+ Ios devices can be fingerprinted globally in less than 1 second

+ The calibration fingerprint never changes, even after a factory reset


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