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Secure connection and security warning error pages in Firefox

Secure connection and security warning error pages in Firefox

If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.

Manage local site storage settings

Manage local site storage settings

Learn about local storage, how to access storage settings, remove site data or set exceptions for websites to store data in Firefox.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

About Add-on Badges

About Add-on Badges

You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.

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