Ctrl + M becomes a shortcut to the search bar of the site.

search_shortcut.user.js

// ==UserScript==
// @name       Search Shortcut
// @namespace  andyperdana.de
// @version    0.3
// @description  Ctrl+M is goToSearch
// @include      /^https?://(www\.)?.*\..*/
// @exclude		http://update001.maminfra.bs.kae.de.server.lan/updatetool/*
// @downloadUR https://gist.githubusercontent.com/Geruhn/9809298/raw/0d3fee8c6da586650572a1e28054fb6833ab41c6/search_shortcut.user.js
// @copyright  2012+, You
// @homepage   https://gist.githubusercontent.com/Geruhn/9809298/raw/9577bc50e2d058986afa8b831905c23ed79973e7/search_shortcut.user.js
// ==/UserScript==
document.addEventListener('DOMContentLoaded', function() {
	d = document;
	document.q = document.querySelector;
    document.addEventListener('keydown', function(event) {
        if(event.ctrlKey && event.keyCode===77) {
            var search = d.q('input[type=search]') || d.q('input[id*=search]') || d.q('input[id*=Search]') || d.q('input[class*=search]') || d.q('input[class*=Search]') || d.q('input[name*=query]') || d.q('input[name*=Query]');
            search.focus();
        }
    }, false);
}, false);

//test123