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Tracking Hash Remover

This removes the random fragment identifiers used to track you.

  1. // ==UserScript==
  2. // @author       James Edward Lewis II
  3. // @name         Tracking Hash Remover
  4. // @namespace    greasyfork.org
  5. // @version      0.0.1
  6. // @description  This removes the random fragment identifiers used to track you.
  7. // @grant        none
  8. // @include      *
  9. // @license MIT
  10. // @copyright    2015+, James Edward Lewis II
  11. // @run-at       document-start
  12. // ==/UserScript==
  13.  
  14. (function trackingHashRemover(window, undefined) {
  15.   'use strict';
  16.   var trackPattern = /^#?\.[a-zA-Z0-9]{8,}/, interval;
  17.   function removeHash(hsh) {
  18.     var subst, idx;
  19.     if (typeof hsh === 'symbol') hsh = '';
  20.     hsh += '';
  21.     idx = hsh.indexOf('#');
  22.     if (idx !== -1) {
  23.       subst = hsh.slice(idx);
  24.       if (trackPattern.test(subst)) return hsh.slice(0, idx);
  25.       else return hsh;
  26.     } else return '';
  27.   }
  28.   function locHashRemover() {
  29.     var hsh = location.hash;
  30.     if (trackPattern.test(hsh)) location.hash = '';
  31.     else {
  32.       clearInterval(interval);
  33.       interval = null;
  34.     }
  35.   }
  36.   function removeHashes() {
  37.     var links = document.getElementsByTagName('a'),
  38.       forms = document.getElementsByTagName('form'), i;
  39.     interval = interval || setInterval(locHashRemover, 16);
  40.     for (i in links)
  41.       if (links.hasOwnProperty(i))
  42.         i.hash = removeHash(i.hash);
  43.     for (i in forms)
  44.       if(forms.hasOwnProperty(i))
  45.         i.action = removeHash(i.action);
  46.   }
  47.   function dclRemover() {
  48.     document.removeEventListener('DOMContentLoaded', dclRemover, false);
  49.     removeHashes();
  50.   }
  51.   function loadRemover() {
  52.     window.removeEventListener('load', loadRemover, false);
  53.     removeHashes();
  54.   }
  55.   removeHashes();
  56.   document.addEventListener('readystatechange', removeHashes, false);
  57.   document.addEventListener('DOMContentLoaded', dclRemover, false);
  58.   window.addEventListener('load', loadRemover, false);
  59.   window.addEventListener('hashchange', removeHashes, false);
  60. }(window));