The development of modern computer technology is now largely determined by the prevalence of the Internet worldwide. The demand for Internet solutions in all areas has been steadily growing. Now in the hands of Web developers have a universal set of DreamweaverCS4, which gives space not only for ordinary Web designers, but also for programmers who create modern Web applications. Everything from design phase to implementation and debugging in Dreamweaver CS4, sold at the highest level that does not prevent the program to be fairly simple to master. This is what allowed it to become a market leader in package for Web design.