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Featured Articles

Enhanced Tracking Protection in Firefox for desktop

Enhanced Tracking Protection in Firefox for desktop

Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

Captive portal detection

Captive portal detection

Page that describes how Firefox detects captive portal networks.

What do the security warning codes mean?

What do the security warning codes mean?

Firefox shows you a warning page about a potential security risk when you try to connect to a secure site but your connection is not secure.

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Manage preferences and add-ons

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Fix slowness, crashing, error messages and other problems