CMS is Content Management System. The aim and objectives of such systems is management, filling and editing of the information and graphics by the customer. Briefly, this is the system which gives an opportunity to change and add sections, edit site content, change graphics and design of the site and not to turn to professional help. With the CMS development the site management became much easier and much more convenient. Web site content management tool is addition to a web site and costs extra money, but it is profitable because without CMS you have to pay for maker-up services. There are some more pluses: you change the information when it is necessary, you do not depend on anybody and the changing of information with the help of CMS will not lead to any site operating irregularity. Web based content management can be attractive to different companies: starting from the companies which need to support their site to web studios which deal with site development. But first of all, content management tool is absolutely necessary to companies which constantly update and advance their site.

The use of CMS does not require professional technical training. Almost every user can work with CMS and manage the site with its help: add and delete articles, different modules – everything that makes a site; CMS can be successfully integrated into intracorporate information system and serve for organization of document circulation; CMS can work in connection with document circulation system. This is very convenient when site is considered not as just a form of advertising and presence in the cyberspace but as some kind of electronic office. When some piece of information is changed within the company, these changes are reflected right away on the site; CMS can be used as a tool of arranging the site as channel of interrelationships with company’s clients. This opens new opportunities in the area of clients’ "fidelity" support: the information on the site is mobile; there is an opportunity to make some sections aimed at certain clients password-accessible. This is very convenient if there is clear client segmentation in the company;