JSF PrimeFaces Examples

Run as:

mvn clean jetty:run

And hit: http://localhost:8080/index.xhtml

Primefaces

Primefaces comes with a lot of widgets and extensions. It also has a very comprehensive guide

h:head element is necessary in JSF because it loads all the required JS libraries.
h:form element is also necessary otherwise autoComplete or p:ajax constructs will not work.
Also make sure to go through the common gotchas on this stackoverflow link