Vast majority of realized projects of data portal have commercial function. To make the site "alive" we need to attract audience and to form constant community, as commercial success depends on quality and breadth of the audience.
Main sources of income of data portal:
- banner advertising;
- collaboration with Yandex, Begun, Google, concerning advertising blocks placement (Yandex.Direct and so on);
- participation in various affiliate programs with payment for clicks of the sites of advertisers;
- pr-function for controlled subject sites ( e.g. for consulting company, building website concerning some field of marketing)- clients and partners solicitation;
- rating promotion (in search systems) of controlled resources by means of placing links - promotion cost savings.
- placing of advertising articles, advertising forums etc.
Data portal is usually designed for the rason of functionality, development and flexibility - so-called "text" design. But for minimum of graphic elements, it may become much more difficult to create such design then the most creative promo-site, as we should think thoroughly over every small thing - title, menu, colour of template, and the text itself.

