The manual tab refreshing syndrome seems a little too common.

greenlight-stats-refresher.user.js

// ==UserScript==
// @name         Greenlight stats refresher
// @namespace    http://yal.cc
// @version      1.0
// @description  Reloads stats-tabs once per 3 minutes and displays yes-votes and comments in the tab title.
// @author       YellowAfterlife
// @match        http://steamcommunity.com/sharedfiles/filedetails/stats/*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';
var rightContents = document.getElementById("rightContents");
if (rightContents) {
    var bigNums = rightContents.getElementsByClassName("bigNum");
    var sectionTabCtr = document.getElementsByClassName("sectionTabs")[0];
    var sectionTabs = sectionTabCtr.getElementsByClassName("sectionTab");
    var yesVotes = parseInt(bigNums[2].textContent);
    var comments = parseInt(sectionTabs[3].getElementsByClassName("tabCount")[0].textContent)
    document.title = "+" + yesVotes + "; " + comments;
    setTimeout(function() {
        document.location.reload();
    }, 3 * 60 * 1000);
}