mein-plakat.de is one of the largest providers of outdoor advertising: with 160 content pages, 200,000 locations and more than 5 million booking dates. Within 6 months, we completely redesigned the website using the CMS concrete5. For intuitive use, the design was reduced and the usability was optimized. The whole design was kept responsive, so that perfect results are provided on all terminal devices. For easier handling in the back-end, we have optimized the database maintenance, the login system as well as the e-mail dispatch with different processes To complete our consulting, conception and programming services from a single source, we have also programmed a booking system and a powerful back-end for administration.