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Captive portal detection
Description of how Firefox detects captive portal networks.
Websites don't load - troubleshoot and fix error messages
Are you having trouble getting a website to load? This article will show you how to fix the problem so you can get back to surfing the web.
Back up and transfer your Firefox data to a new device
Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.
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.
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