To turn on Tracking Protection in Firefox:
- Type in about:config in the location bar and hit enter.
- You’ll see a warning about possibly voiding your warranty. Hit “I’ll be careful, I promise!” to continue.
- Search for privacy.trackingprotection.enabled.
- Double-click that to toggle the value to true.
A study done with this setting change provided page load times reduced by 20% to 90%. Very nice.