Use old reddit site
// ==UserScript==
// @name Old Reddit
// @namespace https://greasyfork.org/users/154522
// @version 1.0
// @description Use old reddit site
// @author G-Rex
// @match https://www.reddit.com/*
// @grant none
// @run-at document-start
// ==/UserScript==
(function() {
window.location.href = window.location.href.replace(/www/, 'old');
})();