Moves to Drupal

When the new launches it will be the highest trafficked Drupal site in existence with over 1 billion page views per month.

via Mediacurrent | Moves to Drupal.

On the technical side, our approach was to increase cache efficiency by utilizing Javascript and Edge Side Includes (ESI) for client side rendering as well as optimizing calls made to their content delivery network (CDN), Akamai.