StayCached

Keeps you in Google cache when you click links on cached pages.

// ==UserScript==
// @name         StayCached
// @namespace    michalpawl
// @author       MacGyver
// @description  Keeps you in Google cache when you click links on cached pages.
// @icon         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
// @match        *://webcache.googleusercontent.com/*
// @version      1.2.5
// ==/UserScript==


const enabled_protocols = ['http','https','ftp','ftps'];

const cache_header = document.getElementById('google-cache-hdr');

document.body.addEventListener('click',
	function(e)
	{
		var target = e.target || e.srcElement;
		if ( !target || cache_header.contains(target) ) return;
		while ( !target.href && target.parentNode )
			target = target.parentNode;
		if ( target.href && enabled_protocols.indexOf(target.href.substr(0,target.href.search(':')))>=0 && !target.href.match('^https://webcache.googleusercontent.com/') && !target.href.match('^http://webcache.googleusercontent.com/') )
			target.href = location.protocol + '//webcache.googleusercontent.com/search?q=cache:' + encodeURIComponent(target.href);
	}
);