a)Usability
Usability refers to the elegance (style, smartness) and clarity (simplicity, clearness) with which the interaction with a web site is designed. Honestly, as a user i really like and comfortable with a website that very simple, well organized and has its own style. The style maybe can be the trademark for each website.The usability also considered pull-down menu, page turning navigation and index. Make sure all the navigation buttons do not make the users become more confused.The other thing that the developer must consider is scaffolding. Scaffolding is just like guider such as map, guide tour, table, search engine, land mark.Most importantly, the web site must be user friendly in order to make the user able to explore and navigate the web site easily.

example 1
b)Visualization
In the web site, visualization is the interface itself which is full of graphic, text and other media. Visualization do not bring any meaning if we do not describe what the visual is all about. Thus, as the developer, we must design a meaningful visual for our website.The visualization must definitely appeal to the users aesthetic as well as visual sensory. This is because, with an appropriate visualization, the contents as well as the items of a web-site will be easily understood.

example 2

c)Functionality
This refers to the function of the interface of the website.The web developer must ensure that the interface go alongside with the objectives and motives of the webpage.



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