Does CIS slow down ADSL loading speed?

Hello, my name is Kiki and I am Taiwanese.

How do I modify the settings to balance Internet security and loading speed?

Honestly I usually just change to ‘Proactive Security’ Configuration and leave it at that. It will provide very good security without too many popups. (At least for me)

You can disable the Sandbox if you want, it’s up to you. I’m not sure about that yet.

I’m not sure what you mean by loading speed. I’ve never noticed any difference in loading speeds for anything despite how I change my configuration settings.

Let me know if I misunderstood your question.