Needs some (any) documentation. Rated 3 out of 5 stars

It works! But the author should have told you that you need to add its button to the toolbar to configure it before use. Also, it only works when new tabs are configured to show recent sites. It would be nice if it would work with blank new tabs, and the configuration should be through a standard dialog with an 'Options' button on the list of add-ons, toolbar space is limited and not really meant for this kind of purpose.

This review is for a previous version of the add-on (