Bought so that a client had a list of Unapproved Pages to reference for a 350 page website. Works great.
Note, this is a free add-on. I can't provide free support, so use on your own risk. Thanks for your understanding!
Core Statistics shows you various data about your concrete5 installation.
If you have a suggestion, please send a support request or a PM.
Tested on PHP 5.3, 5.4, 5.5, 5.6 and 7.0.
Translations: English, Dutch.
Screenshot "Core Statistics / Pages":