| Comparison Index | GWT | JSF |
|---|
| Introduction | GWT is a development toolkit for developing web application. | JSF (Java Server Faces) is a Java specification for developing component based user interface for web apps. |
| Official Website | www.gwtproject.org. | www.javaserverfaces.org |
| Technical Documentation | You can get technical documentation of GWT on www.gwtproject.org/doc. | You can get technical documentation of JSF on http://www.javaserverfaces.org/documentation |
| Developed By | GWT is developed by Google. | JSF is developed by Amy Flower’s team. |
| Initial Release | GWT is initially released in May 16, 2006. | JSF is initially released in June, 2001. |
| License | GWT is licensed under Apache License 2.0. | JSF is licensed under Oracle. |
| Implementation Language | GWT is build on Java Programming Language. | JSF is build on Java. |
| Template Language | GWT has UIBinder as template language | AngularJS has HTML/template as template language. |
| Usability | GWT has more users. | JSF has limited user. |
| WYSIWYG-Editor | GWT has this editor. | JSF doesn’t have this editor. |
| Framework | GWT has MVC Restlet framework. | JSF has Primefaces, Bootsfaces, ICEFaces, Omnifaces, Richfaces, ADF, AngularFaces as framework. |
| Design Pattern | GWT has Model View Presenter Activities and Places. | JSF has MVC (Model View Controller) as design pattern. |
| Code Generation | GWT has code generation. | JSF does not have code generation. |
| Dynamic Typing | GWT does not have dynamic typing. | JSF does not have dynamic typing. |
| Programming Paradigm | GWT has Object Oriented programming paradigm. | JSF also have Object Oriented programming paradigm. |
| Client Server Code reuse | GWT has Model View Controller. | JSF has MVC. |
| Cloud Platform Support | GWT support via Google App Engine. | AngularJS support via Oracle Public Cloud. |
| Request Per Second | GWT can perform 5 requests per second. | JSF can perform very fast request per second. |
| Client Synchronization | GWT has client synchronization. | JSF have client synchronization. |