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Captive portal detection
Description of how Firefox detects captive portal networks.
Add-on Badges
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.
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.
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.
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