This actions take a lot time! There is no progress! Be patient and do not start it many times!

Action	Description
Render	Start task on render service, which renders all (or only selected in options) objects, that was not rendered yet. It will not render objects with property 'rendered'.
Re-render	Start task on render service, which re-renders all (or only selected in options) objects. It will also re-render objects with property 'rendered'.
Facebook Scraping	Start task, which scraps (update) facebook cache for all (or only selected in options) objects.