vwo is dumb.

vwo.coffee

_vwo_code = do ->
  account_id = 0000
  settings_tolerance = 1500
  library_tolerance = 3000
  use_existing_jquery = false
  # DO NOT EDIT BELOW THIS LINE
  f = false
  d = document
  {
    use_existing_jquery: ->
      use_existing_jquery
        
    library_tolerance: ->
      library_tolerance

    finish: ->
      unless f
        f = true
        a = d.getElementById '_vis_opt_path_hides'
        if a
          a.parentNode.removeChild(a)

    finished: ->
      return f

    load: (a) ->
      b = d.createElement 'script'
      b.src = a
      b.type = 'text/javascript'
      b.innerText
      b.onerror = ->
        _vwo_code.finish()        
      d.getElementsByTagName('head')[0].appendChild(b)

    init: ->
        settings_timer = setTimeout '_vwo_code.finish()', settings_tolerance
        @load "//dev.visualwebsiteoptimizer.com/j.php?a=#{account_id}&u=#{encodeURIComponent(d.URL)}&r=#{Math.random()}"
        a = d.createElement 'style'
        b = 'body{display:none;}'
        h = d.getElementsByTagName('head')[0]

        a.setAttribute 'id', '_vis_opt_path_hides'
        a.setAttribute 'type', 'text/css'
        if (a.styleSheet)
          a.styleSheet.cssText = b
        else
          a.appendChild d.createTextNode(b)
        h.appendChild a
        settings_timer
  }

_vwo_settings_timer = _vwo_code.init()