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Update Firefox to prevent add-ons issues from root certificate expiration
Update to Firefox 128+ by March 14, 2025, to avoid issues with add-ons, DRM media and essential features due to an expiring root certificate.
Sync Firefox data
Learn what Sync is, how it works, what it lets you do and how to avoid data loss with Sync, Firefox and your Mozilla account.
Manage my default search engines in Firefox for Android
Firefox for Android lets you add, remove and change your default search engine. Learn to manage your search engines with just a few taps.
Website will not allow Firefox to display the page if another site has embedded it
This page explains the error: "Website will not allow Firefox to display the page if another site has embedded it"
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