I can only give this 3 stars at the moment, because it doesn't *appear* to work on v59.0.2. It looks great in the pics though, so 3 stars! :)
It might not be working for me because everything I do at the moment is using either MAC containers or Temporary containers, and I'm guessing that this extension is focusing on the default *container*, which I'm not touching. I also have Tracking Protection set to *always on*, although I haven't got any other ad-blocking type extensions.
If it is a because of the Containers, then I hope that an option will be given to choose which container to analyse. I'd love to get an idea of how well containerisation works – with and without Tracking Protection and/or other ad-blockers etc.
It would be nice if it could analyse the Private Browsing *container* as well, while it's in use.
I'll be happy to do some testing if it helps! :)