It is necessary that I climb the Internet and add a comment to its code on each page. Specify how to do it through privoxy or squid?

Question

Programming

It is necessary that I climb the Internet and add a comment to its code on each page. Specify how to do it through privoxy or squid?

Answer 1

https://habrahabr.ru/post/39214/
https://habrahabr.ru/post/129454/

// ==UserScript==
// @name         Add comment
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var body = document.body;
    var comment = document.createComment('***COMMENT***');
    body.appendChild(comment);

})();