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The Send Tab feature lets you send pages from Firefox desktop to your phone or tablet so you can view them later.
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.