In order to make sure you are using your proxies only on the websites you need, you can limit each Zone to a specific domain.
Also, you can block specific domains you don't want to target from each Zone.
Limiting Zone to a specific domain:
- Go to Zones page
- Click edit button (pencil icon) next to the Zone name you want to limit
- Under 'Access parameters' section click the edit icon next to "Target hosts > Allow"
- Enter the domains you want to target
- Save
Block Zone for specific domains:
- Go to Zones page
- Click edit button (pencil icon) next to the Zone name you want to limit
- Under 'Access parameters' section click the edit icon next to "Target hosts > Block"
- Enter the domains you want to target
- Save