~ Spoof the reported window.screen as the most common one so that it can't be used to fingerprint browser.

screen-spoofer.user.js

// ==UserScript==
// @name         Spoof screen resolution & color depth
// @namespace    https://skyzohlabs.be
// @version      1.0.5
// @description  Spoof the reported window.screen as the most common one so that it can't be used to fingerprint browser.
// @author       SkyzohKey
// @include      http://*
// @include      https://*
// @run-at       document-end
// @grant        none
// @downloadURL  https://gist.github.com/SkyzohKey/1f8fe7c070cfe9e98f5dc9ec0c5caee2/raw/screen-spoofer.user.js
// @updateURL    https://gist.github.com/SkyzohKey/1f8fe7c070cfe9e98f5dc9ec0c5caee2/raw/screen-spoofer.user.js
// ==/UserScript==
(function() {
  "use strict";
  /**
   * Define property on an object.
   */
  var defineProp = function(obj, prop, val) {
    Object.defineProperty(obj, prop, {
      enumerable: true,
      configurable: true,
      value: val
    });
  };
  /**
   * Return screen attributes based on the most commons ones.
   */
  var getScreenAttrs = function() {
    return {
      width: 1366,
      height: 768,
      colorDepth: 24,
      pixelDepth: 24
    };
  };
  /**
   * Spoof screen resolution.
   */
  var spoofScreenResolution = function() {
    var screen = getScreenAttrs();
    defineProp(window.screen, "width", screen.width);
    defineProp(window.screen, "height", screen.height);
    defineProp(window.screen, "availWidth", screen.width);
    defineProp(window.screen, "availHeight", screen.height);
    defineProp(window.screen, "top", 0);
    defineProp(window.screen, "left", 0);
    defineProp(window.screen, "availTop", 0);
    defineProp(window.screen, "availLeft", 0);
    defineProp(window.screen, "colorDepth", screen.colorDepth);
    defineProp(window.screen, "pixelDepth", screen.pixelDepth);
    /**
     * @todo Implement window.innerHeight, window.innerWidth, etc...
     * @see https://developer.mozilla.org/en-US/docs/Web/API/Screen
     */
  };

  /**
   * Initialize script
   */
  var init = function() {
    // LET SPOOF THAT FUCKIN' RES/COLOR DEPTH
    spoofScreenResolution();
  };
  init();
})();