I think you could get good results if you just penalise sites for the number of third party JS. Which shows by proxy a more established site/corp. You could ad

I think you could get good results if you just penalise sites for the number of third party JS. Which shows by proxy a more established site/corp. You could add a bunch of heuristics such as size, number of links etc. Maybe even train a classifier to select the “smaller” part of the web.