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However, Sakai project has been put in place just before what we must call the Ajax revolution and the Web 2.0
So, Sakais's frontend is based on old fashion « click and wait » web page paradigm.
This is imply to load a new web page for each action (the infamous HTTP round trip) which makes traditional web applications slow.
In Furthermore, in a traditional 3 tiers Web application architecture, the server is playing a role for Data Access, Business logic and Presentation.
In fact, most of the work is done by the server. This is the classic design of tools in Sakai with technologies such as JSP,JSF and RSF.
Fortunately, Ajax has occurred to eliminate painful page loading! The Sakai community has to go into the Ajax and Web 2.0 direction in order to improve the user experience (UX) with responsive and dynamic web interfaces.
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