Blocksite previously got caught out for malicious activities and acting as spyware [1]. Unistalled it today and started using LeechBlock instead, which works way faster and has better features.
[1] https://www.tomsguide.com/uk/us/spyware-hits-11-million,news-27677.html
Blocksite moved to a freemium model too, so everytime you open the UI it's constantly trying to get you to upgrade, pretty annoying.