Make sure all of the following extensions are installed on all my computers
- Privacy Badger
- HTTPS Everywhere Smart HTTPS (for details on reason for change see this thread)
- uBlock Origin
- Decentraleyes
- CanvasBlocker
- Smart Referrer (but see this warning first)
Also use 1.1.1.1 for DNS and change default search engine to Duck Duck Go or to Startpage. Full manual DNS settings are:
1.1.1.1 1.0.0.1 2606:4700:4700::1111 2606:4700:4700::1001
As per A Few Simple Steps to Vastly Increase Your Privacy Online.
Note that I already have a VPN, or I’d be suggesting that too.