Mozilla plans to block Fingerprinters as part of its Enhanced Tracking Protection feature by default in Firefox 72, which is due to release in January 2020.
Fingerprinters are a tracking method that allows a company, instead of using cookies, to track you based on your computer’s features.
This is done by creating a profile of your device based on its features such as the display resolution, the browser you use, timezone, language, installed extensions, fonts and your operating system.
All this information is compiled into a single fingerprint that can be used for tracking you on the various sites you visit.
The app automatically blocks Fingerprinters on any page that you visit via its Enhanced Tracking Protection feature, starting with Firefox 72.
Fingerprinter blocking enabled by default
You can allow it using Custom Setting in Firefox’s Enhanced Tracking Security if you do not wish to wait and want to block Fingerprinters now.
To allow blocking of fingerprinters in the current Firefox update, take these steps:
- Click on the Firefox menu and select Options.
- Click Data Protection & Safety.
- Set custom enhanced tracking protection. In fingerprinters, put a checkmark.
- Custom settings for Firefox.
- You can now close the settings tab for Firefox.
Firefox Custom settings
It is important to note that blocking fingerprinters can cause problems with sites that use them. This includes the page which does not display correctly or interactively.