If you need to restore portions of your website from backup but you don’t have any suitable backup copies, as a last effort you may be able to use a copy of your site stored in Google’s cache to help. We’ll show you how to do just that in this tutorial.
Please note that this method does not work for php driven sites, such as WordPress or Joomla.
Publisher: InMotion Hosting
You can watch this video also at the source.