Disable Google Search Result URL Redirector

Disable Google URL redirector (i.e. user data tracking) on Google Search result, including Google Custom Search Engine (CSE) which is used by many websites, and in Google Groups.

As of 2020-01-07. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Disable Google Search Result URL Redirector
// @namespace   DisableGoogleSearchResultURLRedirector
// @version     1.1.10
// @license     GNU AGPLv3
// @author      jcunews
// @website     https://greasyfork.org/en/users/85671-jcunews
// @description Disable Google URL redirector (i.e. user data tracking) on Google Search result, including Google Custom Search Engine (CSE) which is used by many websites, and in Google Groups.
// @include     *://*/*
// @grant       unsafeWindow
// @run-at      document-start
// ==/UserScript==

(function(createElement_, appendChild_, insertBefore_) {

  //===== CONFIGURATION BEGIN =====

  var disableGoogleAdSense = true;
  var disableInterstitials = false; //e.g. malware warning page

  //===== CONFIGURATION END =====

  function rwt_() { return true }

  function checkElement(ele, m, obj, fn) {
    if (ele.tagName === "SCRIPT") {
      if (disableGoogleAdSense && (/:\/\/cse\.google\.com\/adsense\/search\/(async-)?ads\.js/).test(ele.src)) {
        return false;
      } else if (m = ele.src.match(/:\/\/www.googleapis.com\/customsearch\/.*callback=([^?]+)/)) {
        obj = unsafeWindow;
        m[1].split(".").forEach(function(k, i, a) {
          if (i < (a.length - 1)) {
            obj = obj[k];
          } else {
            fn = obj[k];
            obj[k] = function(data) {
              data.results.forEach(function(res) {
                delete res.clicktrackUrl;
              });
              return fn.apply(this, arguments);
            };
          }
        });
      }
    }
    return true;
  }

  if ((/(www|groups)\.google\.[a-z]+(\.[a-z]+)?/).test(location.hostname)) {
    //Google site
    addEventListener("mousedown", function() {
      if (unsafeWindow.rwt && (unsafeWindow.rwt !== rwt_)) unsafeWindow.rwt = rwt_;
    }, true);
    //Google web search site
    function removeInterstitials() {
      document.querySelectorAll('#rcnt #res #search .g a[href^="/interstitial?"]').forEach(a => {
        a.setAttribute("href", decodeURIComponent(a.getAttribute("href").match(/\burl=([^&]+)/)[1]));
        a.rel = "noreferer";
      });
    }
    //Google image search site
    let setAttribute = HTMLAnchorElement.prototype.setAttribute;
    HTMLAnchorElement.prototype.setAttribute = function(name, value) {
      if ((name === "href") && !this.dataset_) {
        let a = this, href = value;
        this.dataset_ = this.dataset;
        Object.defineProperty(this, "dataset", {
          value: new Proxy(this.dataset_, {
            set: function(tgt, prop, val, recv) {
              if ((prop === "cthref") && (/^\/url\?/).test(val)) {
                a.href = href;
                a.rel = "noreferer";
              } else a.dataset_[prop] = val;
              return true;
            }
          })
        });
      }
      return setAttribute.apply(this, arguments);
    };
    //Google Groups and probably others too
    let desc = Object.getOwnPropertyDescriptor(HTMLAnchorElement.prototype, "href");
    let setHref = desc.set;
    desc.set = function(value) {
      if ((/\/url.*[?&]q=(ht|f)tp/).test(value)) {
        this.rel = "noreferer";
        return this.href;
      } else return setHref.apply(this, arguments);
    };
    Object.defineProperty(HTMLAnchorElement.prototype, "href", desc);
    //Any search site
    addEventListener("load", () => {
      if (disableInterstitials) removeInterstitials();
    });
  } else {
    //other sites
    appendChild_ = Node.prototype.appendChild;
    Node.prototype.appendChild = function(ele) {
      if (checkElement(ele)) {
        return appendChild_.apply(this, arguments);
      } else return ele;
    };
    insertBefore_ = Node.prototype.insertBefore;
    Node.prototype.insertBefore = function(ele) {
      if (checkElement(ele)) {
        return insertBefore_.apply(this, arguments);
      } else return ele;
    };
  }

})();