Google Optimize

You can find the minimized version on the actual page.

Unminified code

<!-- v3.5 -->
var googleOptimize = (function(delay) {
  
  // == Def ==
  var o = {}, cover = {}, u = "undefined";
  var j$html = document.documentElement;
  cover.removed = false;
  
  // == Actions ==
  // If GO is already defined remove cover
  if (isGODefined() === true) {
    
    // ------------------------------
    // console.log('GO loaded prior to TimeOut.');
    // ------------------------------
    
    return;
  }
  
  // Build cover
  generateCover();
  
  // Start timer
  initTimeout();
  
  // == Functions ==
  function generateCover() {
    cover.object = document.createElement('div');
    cover.object.setAttribute('id', 'tek-go-cover');
  }
  
  // Wait for GO to load
  function initTimeout() {
    
    // ------------------------------
    // console.log('initTimeout init.');
    // ------------------------------
    
    // Adding cover
    j$html.prepend(cover.object);
    
    // ------------------------------
    // console.log('Cover added.');
    // ------------------------------
    
    // Setting timeout
    cover.timeOut = setTimeout(function() {
      
      // ------------------------------
      // console.log('setTimeout finished.');
      // console.log('GO loaded after TimeOut.');
      // ------------------------------
      
      // Show page
      showContent();
    }, delay);
  }
  
  function showContent() {
    
    // ------------------------------
    // console.log('showContent() init.');
    // ------------------------------
    
    // Check if GO is defined
    isGODefined();
  
    // Check if init ran
    if (cover.removed === true) {
      
      // ------------------------------
      // console.log('Init. already ran, stopping...');
      // ------------------------------
      
      return;
    }
  
    // If script was called before timeout, clear it
    clearTimeout(cover.timeOut);
  
    // Remove cover
    document.getElementById('tek-go-cover').remove();
  
    // Set flag
    cover.removed = true;
  }
  
  function isGODefined() {
    var status = false;
    if (typeof window.google_optimize !== u) {
      status = true;
      
      // ------------------------------
      // console.log('GO defined.');
      // ------------------------------
      
    } else {
      
      // ------------------------------
      // console.log('GO is undefined.');
      // ------------------------------
      
    }
    
    return status;
  }
  
  return {
    showContent,
    initTimeout
  }
})(800);