<context-param>
<description>
Use this context parameter to enable compression in MyFaces version 1.1.4 and later.
</description>
<param-name>org.apache.myfaces.COMPRESS_STATE_IN_CLIENT</param-name>
<param-value>true</param-value>
</context-param>
Enabling compression will effect performance. Client side state saving is compressed by default in version 1.1.3 and before, where this context parameter means nothing.