Prevent the site from navigating away from Google Cache pages, as the target page may no longer exist
// ==UserScript==
// @name Stay on the Google Cache page
// @name:zh-CN 拦截Google快照跳转
// @version 1.0
// @description Prevent the site from navigating away from Google Cache pages, as the target page may no longer exist
// @description:zh-CN 某些站点会在Google快照页面强行跳转离开，然而可能目标页面早已404，此脚本用来阻止跳转
// @namespace https://webcache.googleusercontent
// @author PatrickZ
// @match https://webcache.googleusercontent.com/search?q=cache:*
// @run-at document-start
// @license MIT
// @grant none
// ==/UserScript==
(function() {
'use strict';
window.onbeforeunload = function() {
return "Are you sure?";
};
})();