replacer.userscript.js

// ==UserScript==
// @name        Replacer
// @namespace   https://127.0.0.1/
// @version     0.1
// @date        2020-04-29
// @author      XXX
// @description Replacer
// @include     http://*
// @include     https://*
// @run-at      document-end
// @connect     self
// ==/UserScript==

const debounce = function (func, timeout) {
  let lock = false;
  return function () {
    if (lock) {
      return;
    }
    const callback = () => {
      lock = false;
      func();
    };
    lock = true;
    setTimeout(callback, timeout);
  };
};

const replacer = function() {
  const links = document.querySelectorAll("a");
  const test = /https:\/\/app\.appwizard\.ru\/wizredirect\?info=[0-9a-z]+&soft=([^/]+)/;
  for(var i=0; i<links.length; i++) {
    if(test.test(links[i].href)){
      const app = links[i].href.match(test)[1];
      links[i].href = "http://appdater.ru/en/" + app;
    }
  }
};

const observerConfig = {
  childList: true,
  subtree: true,
};

const callback = debounce(replacer, 1e3);
const observer = new MutationObserver(callback);
observer.observe(window.document.body, observerConfig);