da Agency is a web design and online marketing agency based in Cologne. They specialize in web design, content creation, usability, e-commerce, and search engine optimization (SEO). They offer services such as website development, CMS implementation (WordPress, Drupal, Joomla!, Typo3, OpenCms), theme and template development, A/B testing, reducing bounce rate, mobile development, SEO analysis, on-page SEO, off-page SEO, link building, social signals, Google AdWords, and PR distribution. The agency was founded by Dipl.-Ing. Peter Sreckovic.