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Featured Articles

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Firefox options, preferences and settings

Firefox options, preferences and settings

Settings panels give you access to Firefox settings. This article describes what types of settings are available in each panel.

Secure connection failed and Firefox did not connect

Secure connection failed and Firefox did not connect

If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.

Add-on Badges

Add-on Badges

You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.