Are you using a VPN provider?

Well if the answer is yes, you have to configure your mac properly in order to be private. Other wise it's pretty much like if you were not using a VPN.

First of all, here is a website where you can check if your mac is leaking your home IP address

https://ipleak.ne t

This is what you should see

https://ipfs.pics/ipfs/QmQnCmNmGeoVwphmidVdVisPpyg4HjeuREmAb7wdrnW1kv

1-Disable IPv6

Open Terminal and type this commant of you are using Wi-Fi

networksetup -setv6off Wi-Fi

This command if you use Ethernet

networksetup -setv6off Ethernet

2-Disable Location Services in System Preferences

System Preferences
Security & Privacy
Privacy tab
Location Services
Uncheck Enable Location Services

https://ipfs.pics/ipfs/QmeG6Uz6iWBPYWHn34JmC1z9PYLUG9JYbop3V6nyQkmnSY

3-Disable Spotlight (Bing Web Searches)

System Preferences
Spotlight
Uncheck (Bing Web Searches)
Uncheck (Allow Spotlight Suggestions in Spotlight and look up)

https://ipfs.pics/ipfs/QmZBHbQi7u1nYv2YWqQW4bdnGPkQrT6QWvePNpoKRwGyuV

4-Disable some Widgets

System Preferences
Extensions
Today
I only keep (Calendar, Reminders, Calculator)

https://ipfs.pics/ipfs/QmXypAABi4MjQc82BfzSYDGgAmzkVFfDw3sd8gz4X6GVYi

5-Use a different time zone than your city

System Preferences
Date & Time
Time Zone tab
Select and other city than where you live but in the same time zone if you want the same time :)

https://ipfs.pics/ipfs/QmePGQJ5t7E1SR1sJMZGVvBW4oYRUZcWpcx93WXJKGSR5p

Safari Configuration

1-Disable Website use of location services

Safari
Preferences...
Privacy tab
On (Website use of location services) select (Deny without prompting)

https://ipfs.pics/ipfs/QmbarJdt2vQfP2Jttk7tmUhWYwT2ndMhKSwT5wudCNYT6h

2-Disable search options

Safari
Preferences...
Search tab
Deselect all and use DuckDuckGo as your search engine

https://ipfs.pics/ipfs/QmUYLc4uNPJfVs4NEBpr4BkYs3BfzfDRBo2sMg4RrfnBVy

Now go again here https://ipleak.net and you should see this

https://ipfs.pics/ipfs/QmQnCmNmGeoVwphmidVdVisPpyg4HjeuREmAb7wdrnW1kv

That's it!! Hope it's going to help!!! Take care!!! :)