Privacy and security settings
Learn how to keep your information safe and secure with Firefox's private browsing, password features and other security settings.
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- How do I tell if my connection to a website is secure?
- Private Browsing - Use Firefox without saving history
- How do I turn on the Do Not Track feature?
- Firefox Health Report - understand your browser performance
- Delete browsing, search and download history on Firefox
- Share telemetry data with Mozilla to help improve Firefox
- How to stop Firefox from automatically making connections without my permission
- Block websites from storing site preferences or login status in Firefox