Raw Source
pietro.giucastro / Youtube OCD for Likes/Unlikes Ratio Plugin 

// ==UserScript==
// @name         Youtube OCD for Likes/Unlikes Ratio Plugin
// @namespace    http://tampermonkey.net/
// @version      2.1
// @description  Youtube OCD for likes unlikes Ratio is deprecated! Download the newest version here (more features):    https://openuserjs.org/scripts/pietro.giucastro/Youtube_OCD_Sugoi_Ratio
// @author       speep95 (pietrogiucastro@alice.it)
// @match        https://www.youtube.com/*
// @require      http://code.jquery.com/jquery-latest.js
// @require      https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js
// @grant        none
// ==/UserScript==

$('body').prepend('<p style="position:fixed; z-index:99999999999999999999999999999; color:red; font-size:17px; top:0; left:0;">Youtube OCD for likes unlikes Ratio is deprecated! Download the newest version <a href="https://openuserjs.org/scripts/pietro.giucastro/Youtube_OCD_Sugoi_Ratio">here</a> (more features) and delete this version.</p>');