The rails autoscale charts are great, but also you have to refresh them a lot, so this makes the refresh if you've been away for more than 30s. To install click the `Raw` button and your suserscript extension will take it from there.

rails_autoscale_refresh.user.js

// ==UserScript==
// @name         Refresh Autoscaler Charts
// @namespace    http://bigethan.com/
// @version      0.1
// @description  Reload the Rails Autoscaler UI when coming back to it after 30s
// @author       bigethan
// @match        https://app.railsautoscale.com/*/dashboard/web
// @match        https://app.railsautoscale.com/*/dashboard/critical_worker
// @match        https://app.railsautoscale.com/*/dashboard/default_worker
// @match        https://app.railsautoscale.com/*/dashboard/slow_worker
// @grant        none
// ==/UserScript==

(function (document, window) {
  "use strict";
  let lastReload = new Date();

  function handleVisibilityChange() {
    if (document.visibilityState === "visible") {
      debouncedReload();
    }
  }

  function debouncedReload() {
    let now = new Date();
    if (now - lastReload > 30 * 1000) {
      location.reload();
      lastReload = new Date();
    }
  }

  document.addEventListener("visibilitychange", handleVisibilityChange, false);
  window.onfocus = debouncedReload;
})(document, window);