Advantages of JSF

The major benefits of JavaServer Faces (JSF) technology are:

1. JavaServer Faces architecture makes it easy for the developers to use. In JavaServer Faces technology, user interfaces can be created easily with its built-in UI component library, which handles most of the complexities of user interface management. 
2. Offers a clean separation between behavior and presentation.
3. Provides a rich architecture for managing component state, processing component data, validating user input, and handling events.
4. Robust event handling mechanism.
5. Events easily tied to server-side code.
6. Render kit support for different clients
7. Component-level control over statefulness
8. Highly 'pluggable' - components, view handler, etc
9. JSF also supports internationalization and accessibility
10. Offers multiple, standardized vendor implementations