You can embed an interactive map from GeoNode into another website with 'Embed widget link' or as an iframe with 'Embed iframe link'. You can also download your own standalone full-page Leaflet web page of your map with 'Download Leaflet page'
https://github.com/kartoza/geonode/issues/86 https://github.com/kartoza/geonode/issues/152 https://github.com/kartoza/geonode/issues/153