Link to the website: szeged2014.drupaldays.org

Website for the Drupal Developer Days 2014, Responsive with responsive image slider solution, fast loading website. 

Page load time: 1.94s
Total page size: 1.55MB
Total number of requests: 51

Page Speed Grade: 97%
YSlow Grade: 87%
 

All related branding stuff, shirts, badges....

Sponsor document downloaded from here: 
http://szeged2014.drupaldays.org/sites/default/files/sponsor_document.pdf