Independently of the previous analysis of the main development activities, we can say that Web application development involves the actors with two additional roles that are integer to the Web: the graphic designer and the webmaster. Graphic designers are in charge of presentation design. The graphical appearance of Web applications is very important for both usability considerations and the attractiveness of the application. Graphic designers conceive the graphical appearance of the application, structure contents and images into layouts, and select suitable style properties (e.g., fonts, colors, and the size of images) based on the nonfunctional requirements dealing with the customer’s graphical corporate identity and with acknowledged communication standards. The strong separation of concerns applied to the design activity demands only little, if any, programming skills from graphic designers,1 which
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