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Featured Articles

Captive portal detection

Captive portal detection

Page that describes how Firefox detects captive portal networks.

How to troubleshoot time related errors on secure websites

How to troubleshoot time related errors on secure websites

Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.

Firefox options, preferences and settings

Firefox options, preferences and settings

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

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.