Front end performance is a challenge shared by all mobile solutions. This section lists strategies and tools for improving and testing
For some projects, you may want to have a mobile web site that uses different markup and layout from the desktop site.
Drupal isn't just a web-based content management system - you can use Drupal as the back end for mobile application development.
There are additional mobile-specific technologies that you can integrate with your Drupal site.
RESS: Responsive Design + Server-side Components: RESS combines responsive layouts with server side component (not full page) optimization.
Note: This page could use some more information!