Knowledge on such, by Nature of Things. And most likely no-one would buy,
what's available, just to tell others about.
In addition, it's not only the OC Software, it's also the Installation itself, and it
heavy depends on the Server as well, so, there is no 'common' answer on such.
I'm rarely still active at the OC Forum. To reach me, contact: email@example.com
A Demoversion of my free OpenCart LIGHT v.18.104.22.168 Software Edition
can be seen in real Action here: http://www.jti.li/shop/
1'000+ FREE OC Extension-Repositories - from OC v.1.5.x up,
on the world's largest OC-related Github Site: https://github.com/IP-CAM
I haven't used FraudLabs before, but I believe it works similarly.