Mozilla has documented some of the ways trackers can fingerprint users (in 2010):<p><a href="https:&#x2F;&#x2F;wiki.mozilla.org&#x2F;Fingerprinting" rel="nofollow">https:&#x2F;&#x2F;wiki.mozilla.org&#x2F;Fingerprinting</a><p>The Tor project submitted some of their fingerprinting protection patches to Firefox. They can be enabled by setting the &quot;privacy.resistFingerprinting&quot; about:config pref.<p><a href="https:&#x2F;&#x2F;bugzil.la&#x2F;418986" rel="nofollow">https:&#x2F;&#x2F;bugzil.la&#x2F;418986</a> - Bug 418986 - Resist fingerprinting by preventing exposure of screen and system info<p>And the W3C has shared some information about the obligations of W3C specification authors and working groups of new Web platform features:<p><a href="http:&#x2F;&#x2F;www.w3.org&#x2F;wiki&#x2F;images&#x2F;7&#x2F;7d&#x2F;Is_preventing_browser_fingerprinting_a_lost_cause.pdf" rel="nofollow">http:&#x2F;&#x2F;www.w3.org&#x2F;wiki&#x2F;images&#x2F;7&#x2F;7d&#x2F;Is_preventing_browser_fin...</a>